Buffer overflow in libx11 (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2013-2004
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 libx11 (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU33314

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-2004

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The (1) GetDatabase and (2) _XimParseStringFile functions in X.org libX11 1.5.99.901 (1.6 RC1) and earlier do not restrict the recursion depth when processing directives to include files, which allows X servers to cause a denial of service (stack consumption) via a crafted file.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libx11 (Alpine package): 1.4.4-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=bb8271270a6c29531b9708ed6ac6025575c0d180
https://git.alpinelinux.org/aports/commit/?id=d6759740f6149bf3bc43f2d95e9d78432a628232
https://git.alpinelinux.org/aports/commit/?id=db1e74cf060eb177b9bd1f5ef787b90b19609c5b
https://git.alpinelinux.org/aports/commit/?id=29cd7b42af8cddcb339f1328bf8f7be3a115b396


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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