CVE-2018-6381 Information

Description

In ZZIPlib 0.13.67 0.13.66 0.13.65 0.13.64 and 0.13.63 there is a segmentation fault caused by invalid memory access in the zzip_disk_fread function (zzip/mmapped.c) because the size variable is not validated against the amount of file-stored data.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

https://github.com/gdraheim/zziplib/issues/12 https://github.com/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-6381 https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html https://usn.ubuntu.com/3699-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5