Microsoft Windows update for Adobe Flash

1) Out-of-bounds read

EUVDB-ID: #VU14344

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-12824

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to out-of-bounds read when handling malicious input. A remote attacker can trick the victim into opening a specially crafted .swf and gain access to potentially sensitive information.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Adobe Flash Player for Microsoft Windows: on Windows RT 8.1 - on Windows 10 Version 1803 for 32-bit Systems

CPE2.3

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180020

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.

2) Security restrictions bypass

EUVDB-ID: #VU14347

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-12825

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to security restrictions bypass. A remote attacker can trick the victim into opening a specially crafted .swf file, bypass security restrictions and gain access to potentially sensitive information.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Adobe Flash Player for Microsoft Windows: on Windows RT 8.1 - on Windows 10 Version 1803 for 32-bit Systems

CPE2.3

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180020

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.

3) Out-of-bounds read

EUVDB-ID: #VU14345

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-12826

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to out-of-bounds read when handling malicious input. A remote attacker can trick the victim into opening a specially crafted .swf and gain access to potentially sensitive information.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Adobe Flash Player for Microsoft Windows: on Windows RT 8.1 - on Windows 10 Version 1803 for 32-bit Systems

CPE2.3

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180020

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.

4) Out-of-bounds read

EUVDB-ID: #VU14346

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-12827

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to out-of-bounds read when handling malicious input. A remote attacker can trick the victim into opening a specially crafted .swf and gain access to potentially sensitive information.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Adobe Flash Player for Microsoft Windows: on Windows RT 8.1 - on Windows 10 Version 1803 for 32-bit Systems

CPE2.3

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180020

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.

5) Improper input validation

EUVDB-ID: #VU14348

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-12828

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to an error when handling malicious input. A remote attacker can trick the victim into opening a specially crafted .swf file and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Adobe Flash Player for Microsoft Windows: on Windows RT 8.1 - on Windows 10 Version 1803 for 32-bit Systems

CPE2.3

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180020

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.

Risk	High
Patch available	YES
Number of vulnerabilities	5
CVE-ID	CVE-2018-12824 CVE-2018-12825 CVE-2018-12826 CVE-2018-12827 CVE-2018-12828
CWE-ID	CWE-125 CWE-200 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Adobe Flash Player for Microsoft Windows Client/Desktop applications / Plugins for browsers, ActiveX components
Vendor	Microsoft