SB2020091640 - Multiple vulnerabilities in Huawei Taurus-AN00B
Published: September 16, 2020 Updated: October 15, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 7 vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2020-9084)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 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
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.
2) Use-after-free (CVE-ID: CVE-2020-9105)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 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
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.
3) Out-of-bounds read (CVE-ID: CVE-2020-9240)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 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
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.
4) Out-of-bounds read (CVE-ID: CVE-2020-9238)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 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
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.
5) Out-of-bounds read (CVE-ID: CVE-2020-9091)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 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
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.
6) Information disclosure (CVE-ID: CVE-2020-9110)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 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
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.
7) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-9112)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: 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
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.
Remediation
Install update from vendor's website.
References
- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200916-01-smartphone-en
- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200923-01-outofbound-en
- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200930-02-bufferoverflow-en
- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200930-01-bufferoverflow-en
- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200930-03-smartphone-en
- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200930-02-informationleak-en
- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20201014-01-privilege-en