Buffer overflow in libxml2 (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2012-5134
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 libxml2 (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: #VU32739

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-2012-5134

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

Heap-based buffer underflow in the xmlParseAttValueComplex function in parser.c in libxml2 2.9.0 and earlier, as used in Google Chrome before 23.0.1271.91 and other products, allows remote attackers to cause a denial of service or possibly execute arbitrary code via crafted entities in an XML document.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libxml2 (Alpine package): 2.7.8-r4

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=8906957df02daf5a1dac5ce83aa3580d3bf037a2
https://git.alpinelinux.org/aports/commit/?id=a19dcca62117d3b62e98097b12ca9ba5311ca693
https://git.alpinelinux.org/aports/commit/?id=2321d97dfa2dbe62e073fe496d9f35328cec41b5


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.



###SIDEBAR###