#VU49911 Reachable Assertion in lldpd - CVE-2015-8012

Vulnerability identifier: #VU49911

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2015-8012

CWE-ID: CWE-617

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 perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion in lldpd. A remote attacker can send specially crafted traffic to the system and perform a denial of service (DoS) attack.

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/2015/10/18/2
https://www.openwall.com/lists/oss-security/2015/10/30/2
https://github.com/vincentbernat/lldpd/commit/793526f8884455f43daecd0a2c46772388417a00
https://github.com/vincentbernat/lldpd/commit/9221b5c249f9e4843f77c7f888d5705348d179c0

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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.