Bug 1332820 (CVE-2016-4483) - CVE-2016-4483 libxml2: out-of-bounds read
Summary: CVE-2016-4483 libxml2: out-of-bounds read
Keywords:
Status: NEW
Alias: CVE-2016-4483
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1332823 1332824 1332825 1340369 1340371
Blocks: 1332827 1395463 1434761
TreeView+ depends on / blocked
 
Reported: 2016-05-04 07:16 UTC by Andrej Nemec
Modified: 2020-03-11 15:06 UTC (History)
22 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2017-03-23 05:41:21 UTC


Attachments (Terms of Use)
Fix for CVE-2016-4483, upstream commit c97750d11bb8b6f3303e7131fe526a61ac65bcfd (1.80 KB, patch)
2017-03-21 15:06 UTC, Leonard den Ottolander
no flags Details | Diff


Links
System ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2016:2957 normal SHIPPED_LIVE Important: Red Hat JBoss Core Services Apache HTTP 2.4.23 Release 2016-12-16 03:11:19 UTC

Description Andrej Nemec 2016-05-04 07:16:26 UTC
A vulnerability was found in libxml2. Parsing a maliciously crafted xml file could cause the application to crash if recover mode is used.

References:

http://seclists.org/oss-sec/2016/q2/195

Comment 1 Andrej Nemec 2016-05-04 07:22:31 UTC
Created libxml2 tracking bugs for this issue:

Affects: fedora-all [bug 1332823]

Comment 2 Andrej Nemec 2016-05-04 07:22:38 UTC
Created mingw-libxml2 tracking bugs for this issue:

Affects: fedora-all [bug 1332824]
Affects: epel-7 [bug 1332825]

Comment 7 errata-xmlrpc 2016-12-15 22:18:17 UTC
This issue has been addressed in the following products:



Via RHSA-2016:2957 https://rhn.redhat.com/errata/RHSA-2016-2957.html

Comment 9 Leonard den Ottolander 2017-03-21 15:04:49 UTC
CVE-2016-4483 is NOT a duplicate of CVE-2016-3627!

This issue has NOT been fixed for at least RHEL6 (CVE-2016-3627 has been).

This issue was fixed upstream with commit c97750d11bb8b6f3303e7131fe526a61ac65bcfd

https://git.gnome.org/browse/libxml2/commit/?h=CVE-2016-4483&id=c97750d11bb8b6f3303e7131fe526a61ac65bcfd

Comment 10 Leonard den Ottolander 2017-03-21 15:06:32 UTC
Created attachment 1265117 [details]
Fix for CVE-2016-4483, upstream commit c97750d11bb8b6f3303e7131fe526a61ac65bcfd

Upstream commit that fixes CVE-2016-4483.

Comment 11 Leonard den Ottolander 2017-03-21 15:12:52 UTC
CVE-2016-4483 has also NOT been fixed for RHEL7. Patch applies cleanly.

Comment 12 Huzaifa S. Sidhpurwala 2017-03-23 05:34:43 UTC
(In reply to Leonard den Ottolander from comment #9)
> CVE-2016-4483 is NOT a duplicate of CVE-2016-3627!
> 
> This issue has NOT been fixed for at least RHEL6 (CVE-2016-3627 has been).
> 
> This issue was fixed upstream with commit
> c97750d11bb8b6f3303e7131fe526a61ac65bcfd
> 
> https://git.gnome.org/browse/libxml2/commit/?h=CVE-2016-
> 4483&id=c97750d11bb8b6f3303e7131fe526a61ac65bcfd

Thanks for the update:

CVE-2016-3627 was fixed via:
https://git.gnome.org/browse/libxml2/commit/?id=bdd66182ef53fe1f7209ab6535fda56366bd7ac9

CVE-2016-4483 was fixed via:
https://git.gnome.org/browse/libxml2/commit/?id=c97750d11bb8b6f3303e7131fe526a61ac65bcfd

Comment 13 Huzaifa S. Sidhpurwala 2017-03-23 05:41:21 UTC
Statement:

When a specially-crafted XML file is parsed via an application compiled against libxml2, this can cause the application to crash. (No code execution)

Comment 15 Doran Moppert 2019-01-21 01:07:13 UTC
Upstream bug:

https://bugzilla.gnome.org/show_bug.cgi?id=766414


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