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CVE-2018-1000085

Published: 27 February 2018

ClamAV version version 0.99.3 contains a Out of bounds heap memory read vulnerability in XAR parser, function xar_hash_check() that can result in Leaking of memory, may help in developing exploit chains.. This attack appear to be exploitable via The victim must scan a crafted XAR file. This vulnerability appears to have been fixed in after commit d96a6b8bcc7439fa7e3876207aa0a8e79c8451b6.

Notes

AuthorNote
mdeslaur
not included in final 0.99.3 release

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
clamav
Launchpad, Ubuntu, Debian
artful
Released (0.99.4+addedllvm-0ubuntu0.17.10.1)
trusty
Released (0.99.4+addedllvm-0ubuntu0.14.04.1)
upstream
Released (0.99.4)
xenial
Released (0.99.4+addedllvm-0ubuntu0.16.04.1)
Patches:
upstream: https://github.com/Cisco-Talos/clamav-devel/commit/d96a6b8bcc7439fa7e3876207aa0a8e79c8451b6

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H