Bug 1671363 (CVE-2018-8788) - CVE-2018-8788 freerdp: Out-of-bounds write in nsc_rle_decode() function
Summary: CVE-2018-8788 freerdp: Out-of-bounds write in nsc_rle_decode() function
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-8788
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1671370 1684163 1684164
Blocks: 1671368
TreeView+ depends on / blocked
 
Reported: 2019-01-31 13:34 UTC by Andrej Nemec
Modified: 2020-04-27 17:52 UTC (History)
5 users (show)

Fixed In Version: freerdp 2.0.0-rc4
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in freerdp in versions before 2.0.0-rc4. An out-of-bounds write of up to 4 bytes in the nsc_rle_decode() function results in a memory corruption. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Clone Of:
Environment:
Last Closed: 2019-06-10 10:46:58 UTC
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2019:0697 0 None None None 2019-04-02 11:37:06 UTC

Description Andrej Nemec 2019-01-31 13:34:33 UTC 
FreeRDP prior to version 2.0.0-rc4 contains an Out-Of-Bounds Write of up to 4 bytes in function nsc_rle_decode() that results in a memory corruption.

Upstream patch:

https://github.com/FreeRDP/FreeRDP/commit/d1112c279bd1a327e8e4d0b5f371458bf2579659
Comment 1 Andrej Nemec 2019-01-31 13:44:22 UTC 
Created freerdp tracking bugs for this issue:

Affects: epel-6 [bug 1671370]
Comment 5 errata-xmlrpc 2019-04-02 11:37:06 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:0697 https://access.redhat.com/errata/RHSA-2019:0697
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