Out-of-bounds read in xorg-server (Alpine package)



Published: 2020-12-03
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2020-14360
CWE ID CWE-125
Exploitation vector Local
Public exploit N/A
Vulnerable software
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xorg-server (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Advisory

This security advisory describes one low risk vulnerability.

1) Out-of-bounds read

Risk: Low

CVSSv3: 3.3 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14360

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 boundary condition when processing XkbSetMap requests. A local user can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions


xorg-server (Alpine package)

Alpine Linux 3.12
1.20.9-r1


CPE External links

https://git.alpinelinux.org/aports/commit/?id=f64db6b75e35f3de90155c1b46c555e3e2899b43

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.



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