Bug 1900685 (CVE-2020-25713)

Summary: CVE-2020-25713 raptor2: malformed input file can lead to a segfault due to an out of bounds array access in raptor_xml_writer_start_element_common
Product: [Other] Security Response Reporter: Marian Rehak <mrehak>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: caolanm, jgrulich, jskarvad, kde-sig, rdieter
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: raptor2 2.0.15-27.eln108 Doc Type: If docs needed, set a value
Doc Text:
A malformed input file can lead to a segfault due to an out of bounds array access in raptor_xml_writer_start_element_common.
 Story Points: ---
Clone Of: Environment:
Last Closed: 2021-05-18 20:37:09 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1900686, 1900904, 1910699    
Bug Blocks: 1900687, 1939851    
Attachments:
Description Flags
our alternative solution none

Description Marian Rehak 2020-11-23 14:24:40 UTC 
A malformed input file can lead to a segfault due to an out of bounds array access in raptor_xml_writer_start_element_common.

Reference:

https://bugs.mageia.org/show_bug.cgi?id=27605
https://www.openwall.com/lists/oss-security/2020/11/13/1
Comment 1 Marian Rehak 2020-11-23 14:25:16 UTC 
Created raptor2 tracking bugs for this issue:

Affects: fedora-all [bug 1900686]
Comment 3 Todd Cullum 2020-11-23 23:50:52 UTC 
External References:

https://bugs.librdf.org/mantis/view.php?id=650
Comment 5 Caolan McNamara 2020-11-24 10:22:44 UTC 
The proposed fix may be incorrect: https://gerrit.libreoffice.org/c/core/+/106249
Comment 6 Caolan McNamara 2020-11-24 11:20:04 UTC 
Created attachment 1732948 [details]
our alternative solution

we think this is the better solution
Comment 8 errata-xmlrpc 2021-05-18 15:30:49 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:1842 https://access.redhat.com/errata/RHSA-2021:1842
Comment 9 Product Security DevOps Team 2021-05-18 20:37:09 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-25713