SB2018020122 - Slackware Linux update for rsync
Published: February 1, 2018
Security Bulletin ID
SB2018020122
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Heap-based buffer over-read (CVE-ID: CVE-2017-16548)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists due to the receive_xattr function in xattrs.c does not check for a trailing '' character in an xattr name. A remote attacker can send specially crafted data to the daemon, trigger heap-based buffer over-read and cause the application to crash.
2) 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.