#VU40672 Heap-based buffer overflow in Debian Linux and libevent - CVE-2014-6272

Vulnerability identifier: #VU40672

Vulnerability 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-2014-6272

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Debian Linux
Operating systems & Components / Operating system
libevent
Universal components / Libraries / Libraries used by multiple products

Vendor: Debian
libevent

Description

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

The vulnerability exists due to a boundary error within the 2.0 and later. A remote attacker can create a specially crafted file, trick the victim into opening it, 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
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Debian Linux: 7.0

libevent: 1.4.0 - 7.0

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External links
https://archives.seul.org/libevent/users/Jan-2015/msg00010.html
https://www.debian.org/security/2015/dsa-3119
https://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.366317
https://puppet.com/security/cve/CVE-2014-6272

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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.