SB20200611143 - Out-of-bounds read in freerdp (Alpine package)



SB20200611143 - Out-of-bounds read in freerdp (Alpine package)

Published: June 11, 2020

Security Bulletin ID SB20200611143
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2020-13396)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within ntlm_read_ChallengeMessage in winpr/libwinpr/sspi/NTLM/ntlm_message.c. A remote attacker can trigger out-of-bounds read error via a specially crafted authentication message and read contents of memory on the system.


Remediation

Install update from vendor's website.