SB2018021430 - Fedora 27 update for zziplib
Published: February 14, 2018 Updated: April 24, 2025
Security Bulletin ID
SB2018021430
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Memory corruption (CVE-ID: CVE-2018-6869)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists in the __zzip_parse_root_directory function of zzip/zip.c due to uncontrolled memory allocation. A remote attacker can trick the victim into opening a specially crafted zip file, trigger memory corruption and cause the application to crash.
2) Memory corruption (CVE-ID: CVE-2018-6484)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists in the __zzip_fetch_disk_trailer function of zzip/zip.c due to memory alignment error and bus error. A remote attacker can submit a specially crafted zip file, trigger memory corruption and cause the service to crash.
Remediation
Install update from vendor's website.