Memory corruption in ZZIPlib - CVE-2018-6541

 

Memory corruption in ZZIPlib - CVE-2018-6541

Published: April 5, 2018


Vulnerability identifier: #VU11557
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-6541
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: zziplib.sourceforge.net
Affected software:
ZZIPlib

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in __zzip_fetch_disk_trailer in zzip/zip.c due to bus error caused by loading of a misaligned address when handling disk64_trailer local entries. A remote attacker can submit a specially crafted zip file, trigger memory corruption and cause the service to crash.

How to mitigate CVE-2018-6541

Update to version 0.13.68.

Sources