Bug 1485857 – CVE-2017-13692 tidy: Segfault due to out-of-bounds read in ISURLCodePoint function

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Bug 1485857 - (CVE-2017-13692) CVE-2017-13692 tidy: Segfault due to out-of-bounds read in ISURLCodePoint function

Summary:	CVE-2017-13692 tidy: Segfault due to out-of-bounds read in ISURLCodePoint fun...

Status:	NEW

Aliases:	CVE-2017-13692

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
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Assigned To:	Red Hat Product Security
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Whiteboard:	impact=low,public=20170824,reported=2...
Keywords:	Security

Depends On:	1485858 1485859
Blocks:
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Reported:	2017-08-28 05:50 EDT by Adam Mariš
Modified:	2017-08-28 05:51 EDT (History)
CC List:	5 users (show)

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Description Adam Mariš 2017-08-28 05:50:25 EDT

In Tidy 5.5.31, the IsURLCodePoint function in attrs.c allows attackers
to cause a denial of service (Segmentation Fault), as demonstrated by
an invalid ISALNUM argument.

Upstream bug:

https://github.com/htacg/tidy-html5/issues/588

Comment 1 Adam Mariš 2017-08-28 05:51:01 EDT

Created tidy tracking bugs for this issue:

Affects: epel-7 [bug 1485858]
Affects: fedora-all [bug 1485859]

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