Multiple vulnerabilities in Google Android

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU28267

Risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-0096

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists within the Framework functionality of Android due to a confused deputy in startActivities of "ActivityStartController.java". A local user can gain elevated privileges on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Android: 8.0 - 9.0

External links

http://source.android.com/security/bulletin/2020-05-01
http://android.googlesource.com/platform/frameworks/base/+/a952197bd161ac0e03abc6acb5f48e4ec2a56e9d
http://android.googlesource.com/platform/frameworks/base/+/7fc95f204527ee079c5891d56c969668f0b35a0b

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU28268

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0097

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists within the Framework functionality of Android due to a missing condition for system apps in various methods of "PackageManagerService.java". A local user can gain elevated privileges on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Android: 9.0 - 10

External links

http://source.android.com/security/bulletin/2020-05-01
http://android.googlesource.com/platform/frameworks/base/+/8d0ae5c65cbcd72a820215eaeb50fcbc0dc531a8
http://android.googlesource.com/platform/frameworks/base/+/f98e1086f5a039d98becf7203367b663e72d09f5
http://android.googlesource.com/platform/frameworks/base/+/058cafe0c1f61e8edd25ba22e2c8e73a43c5d4ad

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU28269

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0098

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists within the Framework functionality of Android due to a confused deputy in navigateUpToLocked of "ActivityStack.java". A local user can gain elevated privileges on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Android: 8.0 - 10

External links

http://source.android.com/security/bulletin/2020-05-01
http://android.googlesource.com/platform/frameworks/base/+/5deb172bf4d9e2b80cda0b8dd5d2b0573e1c86e9

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Out-of-bounds write

EUVDB-ID: #VU28270

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0094

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the Media framework functionality in "setImageHeight" and "setImageWidth" of ExifUtils.cpp. A local user can trigger out-of-bounds write and execute arbitrary code on the target system with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Android: 9.0 - 10

External links

http://source.android.com/security/bulletin/2020-05-01
http://android.googlesource.com/platform/frameworks/av/+/64212a424b4819efb3b6c66e14f6b2b1b1023d4f

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Out-of-bounds read

EUVDB-ID: #VU28272

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0100

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to incorrect error handling in "onTransact" of "IHDCP.cpp" within the Media framework functionality. A local user can trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: 8.0 - 8.1

External links

http://source.android.com/security/bulletin/2020-05-01
http://android.googlesource.com/platform/frameworks/av/+/cf4c5675c2c7ab822ed1ff12350c78575153f3cb

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Out-of-bounds read

EUVDB-ID: #VU28271

Risk: Low

CVSSv3.1: 4.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0093

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a missing bounds check in "exif_data_save_data_entry" of "exif-data.c" file within the Media framework functionality. A local user can trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: 8.0 - 10

External links

http://lists.debian.org/debian-lts-announce/2020/05/msg00016.html
http://source.android.com/security/bulletin/2020-05-01
http://android.googlesource.com/platform/external/libexif/+/0335ffc17f9b9a4831c242bb08ea92f605fde7a6

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Information disclosure

EUVDB-ID: #VU28273

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0101

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to uninitialized data in "BnCrypto::onTransact" of "ICrypto.cpp" within the Media framework functionality. A local user can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Android: 8.0 - 10

External links

http://source.android.com/security/bulletin/2020-05-01
http://android.googlesource.com/platform/frameworks/av/+/63889889c06e95529432177c457d6cdb4fcecac8

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU28278

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0105

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a missing permission check in "onKeyguardVisibilityChanged" of "key_store_service.cpp" within the System functionality. A local user can gain elevated privileges on the target system, allowing apps to use keyguard-bound keys when the screen is locked.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Android: 9.0 - 10

External links

http://source.android.com/security/bulletin/2020-05-01
http://android.googlesource.com/platform/system/security/+/1642dc003964aed54724d17d840f883f0537cebd

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU28277

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0109

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a missing permission check in "simulatePackageSuspendBroadcast" of "NotificationManagerService.java" within the System functionality. A local user can create fake system notifications and gain elevated privileges on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Android: 9.0 - 10

External links

http://source.android.com/security/bulletin/2020-05-01
http://android.googlesource.com/platform/frameworks/base/+/adc39de3a148a2058d63bd7a1b8b71ee0a3524ac

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Out-of-bounds write

EUVDB-ID: #VU28276

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0102

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in "GattServer::SendResponse" of "gatt_server.cc" within the System functionality. A local user can trigger out-of-bounds write and execute arbitrary code on the target system with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Android: 8.0 - 10

External links

http://source.android.com/security/bulletin/2020-05-01
http://android.googlesource.com/platform/system/bt/+/6b7373a32e0a0628b497c1fbec5141ca47ef61b5

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Information disclosure

EUVDB-ID: #VU28280

Risk: Low

CVSSv3.1: 4.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0092

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a permissions bypass in "setHideSensitive" of "NotificationStackScrollLayout.java" within the System functionality. A local user can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Android: 10

External links

http://source.android.com/security/bulletin/2020-05-01
http://android.googlesource.com/platform/frameworks/base/+/2a81aed66366c2d38feb7be05d355ff819e60355

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Information disclosure

EUVDB-ID: #VU28282

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0104

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a logic error in "onShowingStateChanged" of "KeyguardStateMonitor.java" within the System functionality. A local user can gain unauthorized access to sensitive information of keyguard-protected data.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Android: 9.0 - 10

External links

http://source.android.com/security/bulletin/2020-05-01
http://android.googlesource.com/platform/frameworks/base/+/576c4d816c8efe8b9bf7dc88880d8ccde3beacee

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Information disclosure

EUVDB-ID: #VU28281

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0106

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a missing SDK version check in "getCellLocation" of "PhoneInterfaceManager.java" within the System functionality. A local user can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Android: 10

External links

http://source.android.com/security/bulletin/2020-05-01
http://android.googlesource.com/platform/packages/services/Telephony/+/460a6de550d7e78ffb3032b92fdb05845c10ef06

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Incorrect default permissions

EUVDB-ID: #VU28279

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0024

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

The vulnerability allows a local attacker to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions for files and folders that are set by the application in "onCreate" of "SettingsBaseActivity.java" within the System functionality. A local attacker can view contents of files and directories or modify them.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Android: 8.0 - 10

External links

http://source.android.com/security/bulletin/2020-05-01
http://android.googlesource.com/platform/packages/apps/Settings/+/3c6a3011fa797bc00e5246b04e961847c0e60a1c
http://android.googlesource.com/platform/packages/apps/Settings/+/abe9cee25ecda73b84c6baad1fa631bf3a47572b

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) Buffer overflow

EUVDB-ID: #VU28274

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0103

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in "a2dp_aac_decoder_cleanup" of "a2dp_aac_decoder.cc" within the System functionality. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Android: 9.0 - 10

External links

http://source.android.com/security/bulletin/2020-05-01
http://android.googlesource.com/platform/system/bt/+/89321d6f0d47724dc7f0c17f7d7302d1fe75086b

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.