Bug 1788994 (CVE-2019-9433) - CVE-2019-9433 libvpx: Use-after-free in vp8_deblock() in vp8/common/postproc.c
Summary: CVE-2019-9433 libvpx: Use-after-free in vp8_deblock() in vp8/common/postproc.c
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2019-9433
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: 1796099 1796100
Blocks: 1789038
TreeView+ depends on / blocked
 
Reported: 2020-01-08 14:33 UTC by Pedro Sampaio
Modified: 2020-11-04 02:30 UTC (History)
1 user (show)

Fixed In Version: libvpx 1.8.0
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2020-09-29 21:59:26 UTC
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:3876 0 None None None 2020-09-29 19:29:00 UTC
Red Hat Product Errata RHSA-2020:4629 0 None None None 2020-11-04 02:30:33 UTC

Description Pedro Sampaio 2020-01-08 14:33:25 UTC 
In libvpx, there is a possible information disclosure due to improper input validation. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.

Upstream issue:

https://chromium-review.googlesource.com/c/webm/libvpx/%2B/1070753

Upstream patch:

https://github.com/webmproject/libvpx/commit/52add5896661d186dec284ed646a4b33b607d2c7

References:

http://www.openwall.com/lists/oss-security/2019/10/25/17 	
http://www.openwall.com/lists/oss-security/2019/10/27/1 	
http://www.openwall.com/lists/oss-security/2019/11/07/1
Comment 2 errata-xmlrpc 2020-09-29 19:28:50 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:3876 https://access.redhat.com/errata/RHSA-2020:3876
Comment 3 Product Security DevOps Team 2020-09-29 21:59:26 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-2019-9433
Comment 4 errata-xmlrpc 2020-11-04 02:30:49 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:4629 https://access.redhat.com/errata/RHSA-2020:4629
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