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CVE-2015-5523

medium
  • Information
  • CPEs
  • Plugins

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.

References

http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html

http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html

http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html

http://www.debian.org/security/2015/dsa-3309

http://www.openwall.com/lists/oss-security/2015/06/04/2

http://www.openwall.com/lists/oss-security/2015/07/13/7

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

https://github.com/htacg/tidy-html5/issues/217#issuecomment-108565501

https://support.apple.com/HT205212

https://support.apple.com/HT205213

https://support.apple.com/HT205267

Details

Source: MITRE

Published: 2015-08-11

Updated: 2016-12-08

Type: CWE-119

Risk Information

CVSS v2

Base Score: 4.3

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

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

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