#VU48780 Buffer overflow in lldpd - CVE-2015-8011

Vulnerability identifier: #VU48780

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2015-8011

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
lldpd
Other software / Other software solutions

Vendor: vincentbernat (Vincent Bernat)

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 lldp_decode() function in daemon/protocols/lldp.c in lldpd. A remote attacker can pass specially crafted data to the application, trigger memory corruption and execute arbitrary code on the target system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

lldpd: 0.2 - 0.7.19

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External links
https://www.openwall.com/lists/oss-security/2015/10/16/2
https://www.openwall.com/lists/oss-security/2015/10/30/2
https://github.com/vincentbernat/lldpd/commit/dd4f16e7e816f2165fba76e3d162cd8d2978dcb2

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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.