Bug 1281950 (CVE-2015-8242)

Summary: CVE-2015-8242 libxml2: Buffer overread with HTML parser in push mode in xmlSAX2TextNode
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: athmanem, carnil, c.david86, csutherl, dknox, erik-fedora, fedora-mingw, jclere, jdoyle, ktietz, lgao, mbabacek, mcermak, mturk, myarboro, ohudlick, rjones, sardella, slawomir, twalsh, veillard, weli
Target Milestone: ---Keywords: Security
Target Release: ---Flags: mcermak: needinfo? (veillard)
Hardware: All   
OS: Linux   
Whiteboard:
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.
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-06-08 02:45:27 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---
Bug Depends On: 1281951, 1281952, 1281953, 1284794, 1286495, 1286496, 1286497, 1323037    
Bug Blocks: 1274223, 1281961, 1318206    

Description Adam Mariš 2015-11-13 21:44:44 UTC
Stack-based buffer overread vulnerability with HTML parser in push mode in xmlSAX2TextNode causing segmentation fault when compiled with ASAN.

Upstream bug (containing reproducer):

https://bugzilla.gnome.org/show_bug.cgi?id=756372

Comment 1 Adam Mariš 2015-11-13 21:46:21 UTC
Created libxml2 tracking bugs for this issue:

Affects: fedora-all [bug 1281951]

Comment 2 Adam Mariš 2015-11-13 21:46:30 UTC
Created mingw-libxml2 tracking bugs for this issue:

Affects: fedora-all [bug 1281952]
Affects: epel-7 [bug 1281953]

Comment 3 Adam Mariš 2015-11-19 11:33:41 UTC
Acknowledgments:

Name: the GNOME project
Upstream: Hugh Davenport

Comment 4 Adam Mariš 2015-11-19 12:57:45 UTC
CVE assignment:

http://openwall.com/lists/oss-security/2015/11/18/23

Comment 11 errata-xmlrpc 2015-12-07 10:15:09 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 12 errata-xmlrpc 2015-12-07 12:01:16 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 16 errata-xmlrpc 2016-05-17 16:15:04 UTC
This issue has been addressed in the following products:



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