SB2018012903 - Security restrictions bypass in Samba Rsync 



SB2018012903 - Security restrictions bypass in Samba Rsync

Published: January 29, 2018

Security Bulletin ID SB2018012903
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Security restrictions bypass (CVE-ID: CVE-2018-5764)

The vulnerability allows a remote attacker to bypass security controls on the target system.

The weakness exists in the parse_arguments() function in 'options.c' due to insufficient validation of user-supplied input. A remote attacker can send multiple '--protect-args' values and  bypass the argument-sanitization protection mechanism.

Remediation

Install update from vendor's website.