Memory corruption in ZZIPlib - CVE-2018-6484
Published: April 5, 2018
Vulnerability identifier: #VU11551
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: CVE-2018-6484
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
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.
Affected software
ZZIPlib
Arch Linux
Fedora
zziplib
Arch Linux
Fedora
zziplib
How to mitigate CVE-2018-6484
Update to version 0.13.68.
zziplib - addressed in versions 0.13.68-1.fc27, 0.13.69-1.fc27