CVE-2017-6419

mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted CHM file.

CVSS v3.0 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

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

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/vrtadmin/clamav-devel/commit/a83773682e856ad6529ba6db8d1792e6d515d7f1	Issue Tracking Patch Third Party Advisory
https://github.com/varsleak/varsleak-vul/blob/master/clamav-vul/heap-overflow/clamav_chm_crash.md	Third Party Advisory
https://bugzilla.clamav.net/show_bug.cgi?id=11701	Issue Tracking
http://www.debian.org/security/2017/dsa-3946
https://lists.debian.org/debian-lts-announce/2018/02/msg00014.html
https://security.gentoo.org/glsa/201804-16

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:libmspack_project:libmspack:0.5:alpha:*:*:*:*:*:*

cpe:2.3:a:clamav:clamav:0.99.2:*:*:*:*:*:*:*

Information

Published : 2017-08-06 20:29

Updated : 2018-10-21 03:29

NVD link : CVE-2017-6419

Mitre link : CVE-2017-6419

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

clamav

clamav

libmspack_project

libmspack

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