Multiple vulnerabilities in lldpd

Published: 2020-01-28 | Updated: 2021-01-21

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2015-8011 CVE-2015-8012
CWE-ID	CWE-119 CWE-617
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	lldpd Other software / Other software solutions
Vendor	vincentbernat (Vincent Bernat)

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

Updated: 21.01.2021

Added vulnerability #2.

1) Buffer overflow

EUVDB-ID: #VU48780

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-8011

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

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

External links

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

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.

2) Reachable Assertion

EUVDB-ID: #VU49911

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-8012

CWE-ID: CWE-617 - Reachable Assertion