Bug 1488936 – CVE-2017-13739 liblouis: Heap-buffer overflow resulting in an out-of-bounds write in resolveSubtable() function

Bugzilla will be upgraded to version 5.0 on a still to be determined date in the near future. The original upgrade date has been delayed.

Bug 1488936 - (CVE-2017-13739) CVE-2017-13739 liblouis: Heap-buffer overflow resulting in an out-of-bounds write in resolveSubtable() function

Summary:	CVE-2017-13739 liblouis: Heap-buffer overflow resulting in an out-of-bounds w...

Status:	CLOSED NOTABUG

Aliases:	CVE-2017-13739

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=moderate,public=20170823,repor...
Keywords:	Security

Depends On:	1488944
Blocks:	1488949
	Show dependency tree / graph

Reported:	2017-09-06 09:32 EDT by Andrej Nemec
Modified:	2017-09-26 15:28 EDT (History)
CC List:	2 users (show)

See Also:
Fixed In Version:
Doc Type:	If docs needed, set a value
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2017-09-18 09:53:41 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

Groups: None (edit)

Description Andrej Nemec 2017-09-06 09:32:59 EDT

There is a heap-based buffer overflow that causes a more than two thousand bytes out-of-bounds write in Liblouis 3.2.0, triggered in the function resolveSubtable() in compileTranslationTable.c. It will lead to denial of service or code execution.

Product bug:

https://bugzilla.redhat.com/show_bug.cgi?id=1484299

Comment 2 Andrej Nemec 2017-09-06 09:40:35 EDT

Created liblouis tracking bugs for this issue:

Affects: fedora-all [bug 1488944]

Note You need to log in before you can comment on or make changes to this bug.