Improper Initialization in xorg-server (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-14347
CWE-ID CWE-665
Exploitation vector Local
Public exploit N/A
Vulnerable software
 xorg-server (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Initialization

EUVDB-ID: #VU45684

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-14347

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

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

A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.

Mitigation

Install update from vendor's website.

Vulnerable software versions

xorg-server (Alpine package): 1.20.5-r0 - 1.20.8-r3

xorg-server (Alpine package):

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=7ef7c7225e8892f60a63c6242fb4546ecd42f1ae


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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