Buffer overflow in Libxml2



| Updated: 2020-07-27
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-2073
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Libxml2
Universal components / Libraries / Libraries used by multiple products

Vendor Gnome Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU31951

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-2073

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The htmlParseNameComplex function in HTMLparser.c in libxml2 allows attackers to cause a denial of service (out-of-bounds read) via a crafted XML document.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Libxml2: 2.9.0 - 2.9.3

CPE2.3 External links

https://www.openwall.com/lists/oss-security/2016/01/25/6
https://www.openwall.com/lists/oss-security/2016/01/26/7
https://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
https://www.securityfocus.com/bid/85267
https://www.securitytracker.com/id/1035011
https://www.ubuntu.com/usn/USN-2994-1
https://security.gentoo.org/glsa/201701-37
https://www.debian.org/security/2016/dsa-3593


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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