SB2021011322 - Ubuntu update for openvswitch

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Main Vulnerability Database SB2021011322

SB2021011322 - Ubuntu update for openvswitch

Published: January 13, 2021

Security Bulletin ID SB2021011322
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2015-8011)

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.


2) Memory leak (CVE-ID: CVE-2020-27827)

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in lldpd when processing packets with multiple instances of certain TLVs. A remote attacker can send specially crafted traffic to the system and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References