SB2021091331 - Denial of service in F5OS libxml2



SB2021091331 - Denial of service in F5OS libxml2

Published: September 13, 2021

Security Bulletin ID SB2021091331
Severity
Medium
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Infinite loop (CVE-ID: CVE-2020-7595)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop in xmlStringLenDecodeEntities in parser.c. A remote attacker can consume all available system resources and cause denial of service conditions in a certain end-of-file situation.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.