CVE-2015-5523
MEDIUM severity · CVSS 4.3 · Memory corruption
4.3CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)4%
AV:N/AC:M/Au:N/C:N/I:N/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.htmlAdvisory
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.htmlAdvisory
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.htmlAdvisory
- http://www.debian.org/security/2015/dsa-3309Advisory
- http://www.openwall.com/lists/oss-security/2015/07/15/3
- http://www.securityfocus.com/bid/75037
- http://www.openwall.com/lists/oss-security/2015/06/04/2Exploit
- http://www.openwall.com/lists/oss-security/2015/07/13/7Exploit