Red Hat Virtualization update for lldpd

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

ovn2.11 (Red Hat package): 2.11.1-44.el7fdp

redhat-virtualization-host (Red Hat package): 4.3.11-20200922.0.el7_9

redhat-release-virtualization-host (Red Hat package): 4.3.4-1.el7ev - 4.3.11-1.el7ev

openvswitch2.11 (Red Hat package): 2.11.0-35.el7fdp - 2.11.0-54.20200327gita4efc59.el7fdp

Red Hat Virtualization Manager: 4.3

Red Hat Virtualization Host: 4

Red Hat Virtualization for IBM Power LE: 4

Red Hat Virtualization: 4

External links

http://access.redhat.com/errata/RHSA-2021:0028

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.