CVE-2015-5523

NameCVE-2015-5523
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-273-1, DSA-3309-1
NVD severitymedium (attack range: remote)
Debian Bugs792571

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tidy (PTS)wheezy, wheezy (security)20091223cvs-1.2+deb7u1fixed
jessie (security), jessie20091223cvs-1.4+deb8u1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tidysource(unstable)20091223cvs-1.5medium792571
tidysourcejessie20091223cvs-1.4+deb8u1mediumDSA-3309-1
tidysourcesqueeze20091223cvs-1+deb6u1mediumDLA-273-1
tidysourcewheezy20091223cvs-1.2+deb7u1mediumDSA-3309-1

Notes

https://github.com/htacg/tidy-html5/issues/217#issuecomment-108565501
http://www.openwall.com/lists/oss-security/2015/06/04/2

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