CVE-2015-4469

CVSS V2 Medium 4.3 CVSS V3 None

Description

The chmd_read_headers function in chmd.c in libmspack before 0.5 does not validate name lengths, which allows remote attackers to cause a denial of service (buffer over-read and application crash) via a crafted CHM file.

Overview

CVE ID
CVE-2015-4469

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2015-06-11T14:59:04

Last Modified Date
2016-06-09T21:30:10

Weakness Enumerations

CWE	URL
CWE-119	http://cwe.mitre.org/data/definitions/119.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:libmspack_project:libmspack::::::::	1	OR		0.4-3

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
4.3

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
2.9

References

Reference URL	Reference Tags
https://bugs.debian.org/774726	Exploit
http://anonscm.debian.org/cgit/collab-maint/libmspack.git/diff/debian/patches/fix-name-field-boundaries.patch?id=a25bb144795e526748b57884daf365732c7e2295
http://openwall.com/lists/oss-security/2015/02/03/11
http://www.securityfocus.com/bid/72486

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2015-4469
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4469

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 10:16:11				Added to TrackCVE
2022-12-02 05:01:27	2015-06-11T14:59Z	2015-06-11T14:59:04	CVE Published Date	updated
2022-12-02 05:01:27		2016-06-09T21:30:10	CVE Modified Date	updated
2022-12-02 05:01:27		Analyzed	Vulnerability Status	updated