Bug 1281930 (CVE-2015-8317) - CVE-2015-8317 libxml2: Out-of-bounds heap read when parsing file with unfinished xml declaration
Summary: CVE-2015-8317 libxml2: Out-of-bounds heap read when parsing file with unfinis...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2015-8317
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1281931 1281932 1281933 1284794 1286495 1286496 1286497 1323034
Blocks: 1274223 1281960 1318206
TreeView+ depends on / blocked
 
Reported: 2015-11-13 20:50 UTC by Adam Mariš
Modified: 2021-02-17 04:43 UTC (History)
22 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
A denial of service flaw was found in libxml2. A remote attacker could provide a specially crafted XML or HTML file that, when processed by an application using libxml2, would cause that application to leak potentially sensitive information.
Clone Of:
Environment:
Last Closed: 2019-06-08 02:45:20 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2015:2549 0 normal SHIPPED_LIVE Moderate: libxml2 security update 2015-12-07 15:13:44 UTC
Red Hat Product Errata RHSA-2015:2550 0 normal SHIPPED_LIVE Moderate: libxml2 security update 2015-12-07 16:59:33 UTC
Red Hat Product Errata RHSA-2016:1089 0 normal SHIPPED_LIVE Moderate: Red Hat JBoss Web Server 3.0.3 security update 2016-05-17 20:12:21 UTC

Description Adam Mariš 2015-11-13 20:50:12 UTC 
An out-of-bounds heap read in xmlParseXMLDecl happens when a file containing unfinished xml declaration, e.g. <?xml versionencoding="ISO88598", is followed by 0xff byte.

Upstream bug:

https://bugzilla.gnome.org/show_bug.cgi?id=751631

Upstream patch:

https://git.gnome.org/browse/libxml2/commit/?id=709a952110e98621c9b78c4f26462a9d8333102e

Out-of-bounds heap read also occurs in xmlParseXMLDecl when file contains unterminated encoding value.

Upstream bug:

https://bugzilla.gnome.org/show_bug.cgi?id=751603

Upstream patch:

https://git.gnome.org/browse/libxml2/commit/?id=9aa37588ee78a06ca1379a9d9356eab16686099c
Comment 1 Adam Mariš 2015-11-13 20:51:52 UTC 
Created libxml2 tracking bugs for this issue:

Affects: fedora-all [bug 1281931]
Comment 2 Adam Mariš 2015-11-13 20:52:02 UTC 
Created mingw-libxml2 tracking bugs for this issue:

Affects: fedora-all [bug 1281932]
Affects: epel-7 [bug 1281933]
Comment 3 Adam Mariš 2015-11-19 11:48:57 UTC 
Acknowledgments:

Name: the GNOME project
Upstream: Hanno Boeck
Comment 4 Adam Mariš 2015-11-23 13:20:38 UTC 
CVE assignment:

http://seclists.org/oss-sec/2015/q4/354
Comment 8 errata-xmlrpc 2015-12-07 10:14:48 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2015:2549 https://rhn.redhat.com/errata/RHSA-2015-2549.html
Comment 9 errata-xmlrpc 2015-12-07 12:00:54 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2015:2550 https://rhn.redhat.com/errata/RHSA-2015-2550.html
Comment 13 errata-xmlrpc 2016-05-17 16:14:36 UTC 
This issue has been addressed in the following products:



Via RHSA-2016:1089 https://rhn.redhat.com/errata/RHSA-2016-1089.html
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