SB2019110702 - Amazon Linux AMI update for docker



SB2019110702 - Amazon Linux AMI update for docker

Published: November 7, 2019

Security Bulletin ID SB2019110702
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

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

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Command Injection (CVE-ID: CVE-2019-13139)

The vulnerability allows a local attacker to inject and execute arbitrary commands on the target system.

The vulnerability exists due to the affected software misinterprets the "git ref" command as a flag. A local authenticated user who is able to execute the "docker build" command and has control over the build path can inject and execute arbitrary commands on the target system.

2) Inclusion of Sensitive Information in Log Files (CVE-ID: CVE-2019-13509)

The vulnerability allows a local attacker to access sensitive information on a targeted system.

The vulnerability exists due to the software can add secrets to the debug log when the "docker stack deploy" command is used while running in debug mode to redeploy a stack which includes non-external secrets. A local authenticated attacker can gain access to sensitive information, such as secrets in the log files on a targeted system.

Remediation

Install update from vendor's website.