Multiple vulnerabilities in Huawei Taurus-AN00B

1) Use-after-free

EUVDB-ID: #VU46765

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-9084

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error. A local administrator can obtain a higher privilege and compromise the service.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Huawei Taurus-AN00B: All versions

CPE2.3

• cpe:2.3:h:huawei:huawei_taurus-an00b:*:*:*:*:*:*:*:*

External links

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200916-01-smartphone-en

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.

2) Use-after-free

EUVDB-ID: #VU46992

Risk: Low

CVSSv4.0: 3.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-9105

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to use-after-free error. A local administrator can trigger memory corruption and escalate privileges on the target device.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Huawei Taurus-AN00B: All versions

CPE2.3

• cpe:2.3:h:huawei:huawei_taurus-an00b:*:*:*:*:*:*:*:*

External links

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200923-01-outofbound-en

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) Out-of-bounds read

EUVDB-ID: #VU47181

Risk: Low

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-9240

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within a function in a module. A remote attacker on the local network can send a specially crafted request, trigger out-of-bounds read error and cause a denial of service condition on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Huawei Taurus-AN00B: All versions

CPE2.3

• cpe:2.3:h:huawei:huawei_taurus-an00b:*:*:*:*:*:*:*:*

External links

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200930-02-bufferoverflow-en

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

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: #VU47180

Risk: Low

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-9238

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within a function in a module. A remote attacker on the local network can send a specially crafted request, trigger out-of-bounds read error and cause a denial of service condition on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Huawei Taurus-AN00B: All versions

CPE2.3

• cpe:2.3:h:huawei:huawei_taurus-an00b:*:*:*:*:*:*:*:*

External links

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200930-01-bufferoverflow-en

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

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: #VU47179

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/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-2020-9091

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition. A local attacker can send a specially crafted request, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Huawei Taurus-AN00B: All versions

CPE2.3

• cpe:2.3:h:huawei:huawei_taurus-an00b:*:*:*:*:*:*:*:*

External links

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200930-03-smartphone-en

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) Information disclosure

EUVDB-ID: #VU47183

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-9110

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

Exploit availability: No

Description

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

The vulnerability exists due to excessive data output by the application. A local attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Huawei Taurus-AN00B: All versions

CPE2.3

• cpe:2.3:h:huawei:huawei_taurus-an00b:*:*:*:*:*:*:*:*

External links

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200930-02-informationleak-en

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) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU47653

Risk: Low

CVSSv4.0: 4.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-9112

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

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly impose security restrictions on some of the business functions of the device. A local attacker can access the protecting information, resulting in the elevation of the privilege.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Huawei Taurus-AN00B: All versions

CPE2.3

• cpe:2.3:h:huawei:huawei_taurus-an00b:*:*:*:*:*:*:*:*

External links

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20201014-01-privilege-en

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.