Input validation error in xorg-server (Alpine package)



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-12187
CWE-ID CWE-20
Exploitation vector Network
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 high risk vulnerability.

1) Input validation error

EUVDB-ID: #VU33521

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-12187

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

xorg-x11-server before 1.19.5 was missing length validation in RENDER extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

xorg-server (Alpine package): 1.19.3-r2 - 1.19.3-r4

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=98207e9b05f49840d90fc3d529d3b44a625de627


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.



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