National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-5523 Detail

Description

The ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving multiple whitespace characters before an empty href, which triggers a large memory allocation.

Source:  MITRE
Description Last Modified:  08/11/2015

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html Mailing List Third Party Advisory
http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html Mailing List Third Party Advisory
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html Mailing List Third Party Advisory
http://www.debian.org/security/2015/dsa-3309 Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/06/04/2 Exploit
http://www.openwall.com/lists/oss-security/2015/07/13/7 Exploit
http://www.openwall.com/lists/oss-security/2015/07/15/3
http://www.securityfocus.com/bid/75037
http://www.securitytracker.com/id/1033703
http://www.ubuntu.com/usn/USN-2695-1 Third Party Advisory
https://github.com/htacg/tidy-html5/issues/217#issuecomment-108565501 Exploit
https://support.apple.com/HT205212 Third Party Advisory
https://support.apple.com/HT205213 Third Party Advisory
https://support.apple.com/HT205267 Third Party Advisory

Technical Details

Vulnerability Type (View All)

Change History

9 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-5523
NVD Published Date:
08/11/2015
NVD Last Modified:
12/07/2016