SB2019082067 - Off-by-one in libarchive (Alpine package)
Published: August 20, 2019
Security Bulletin ID
SB2019082067
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Off-by-one (CVE-ID: CVE-2017-14502)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to off-by-one error for UTF-16 names in RAR archives. A remote attacker can trigger an out-of-bounds read in archive_read_format_rar_read_header and cause the service to crash.
Remediation
Install update from vendor's website.