CVE-2018-6540

MEDIUM

ZZIPlib 0.13.67 - Denial of Service via Misaligned Address in zzip_disk_findfirst

Title source: llm
STIX 2.1

Description

In ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address in the zzip_disk_findfirst function of zzip/mmapped.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.

References (3)

Core 3
Core References
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3699-1/
Exploit, Third Party Advisory x_refsource_misc
https://github.com/gdraheim/zziplib/issues/15
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html

Scores

CVSS v3 6.5
EPSS 0.0226
EPSS Percentile 81.0%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

Status published
Products (5)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 17.10
canonical/ubuntu_linux 18.04
gdraheim/zziplib 0.13.67
Published Feb 02, 2018
Tracked Since Feb 18, 2026