Heap-based buffer overflow in libxml2 (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2015-7499
CWE-ID CWE-122
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) Heap-based buffer overflow

EUVDB-ID: #VU32383

Risk: Medium

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

CVE-ID: CVE-2015-7499

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the xmlGROW function in parser.c in libxml2 before 2.9.3. A remote attacker can use unspecified vectors. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libxml2 (Alpine package): 2.9.0-r0 - 2.9.1-r3

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=0215e6588cf7cdc9ec3c57926af82e79b8366e46
https://git.alpinelinux.org/aports/commit/?id=9e3ec8396214f0ec09a2b5c75e65bbc808013c84
https://git.alpinelinux.org/aports/commit/?id=f084c470893c32a5ab1b765dfe1fa044af19320d
https://git.alpinelinux.org/aports/commit/?id=d43279c37e7c6a85eb14e2879d00bb7d74e9aa45


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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