Bug 1662708 (CVE-2018-20593) - CVE-2018-20593 mxml: Stack-based buffer overflow in the scan_file function in mxmldoc.c.
Summary: CVE-2018-20593 mxml: Stack-based buffer overflow in the scan_file function in...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2018-20593
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: 1662709 1662710
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-12-31 21:36 UTC by Pedro Sampaio
Modified: 2019-09-29 15:04 UTC (History)
4 users (show)

Fixed In Version:
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Environment:
Last Closed: 2019-06-10 10:44:32 UTC
Embargoed:

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Description Pedro Sampaio 2018-12-31 21:36:10 UTC 
In Mini-XML (aka mxml) v2.12, there is stack-based buffer overflow in the scan_file function in mxmldoc.c.

References:

https://github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/so_mxmldoc.c:2971_1.txt.err
https://github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/so_mxmldoc.c:2987_1.txt.err

Upstream issue:

https://github.com/michaelrsweet/mxml/issues/237
Comment 1 Pedro Sampaio 2018-12-31 21:36:23 UTC 
Created mxml tracking bugs for this issue:

Affects: epel-7 [bug 1662710]
Affects: fedora-all [bug 1662709]
Comment 2 Product Security DevOps Team 2019-06-10 10:44:32 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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