#VU33445 Heap-based buffer overflow in Debian Linux and Fedora - CVE-2016-6254

Vulnerability identifier: #VU33445

Vulnerability risk: High

CVSSv4.0: 6.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-6254

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Debian Linux
Operating systems & Components / Operating system
Fedora
Operating systems & Components / Operating system

Vendor: Debian
Fedoraproject

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 parse_packet function in network.c in collectd before 5.4.3 and 5.x before 5.5.2. A remote attacker can use a crafted network packet. 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
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Debian Linux: 8.0

Fedora: 23 - 24

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External links
https://collectd.org/news.shtml
https://www.debian.org/security/2016/dsa-3636
https://github.com/collectd/collectd/commit/b589096f907052b3a4da2b9ccc9b0e2e888dfc18
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CM4W5SJ4OTBGINGIN4NJLXCUZAZANO6J/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UIZ5UXDOB7BA5NGE2F2I2BL4K6763DHW/

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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.