Bug 1303853 (CVE-2015-8791) - CVE-2015-8791 libebml: function EbmlElement::ReadCodedSizeValue leaks information
Summary: CVE-2015-8791 libebml: function EbmlElement::ReadCodedSizeValue leaks informa...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2015-8791
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: 1303854 1303856
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-02-02 09:16 UTC by Andrej Nemec
Modified: 2019-09-29 13:43 UTC (History)
6 users (show)

Fixed In Version: libebml 1.3.3
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2018-03-28 21:13:43 UTC


Attachments (Terms of Use)

Description Andrej Nemec 2016-02-02 09:16:38 UTC
The EbmlElement::ReadCodedSizeValue function in libEBML before 1.3.3 allows context-dependent attackers to obtain sensitive information from process heap memory via a crafted length value in an EBML id, which triggers an invalid memory access.

External references:

http://www.scip.ch/en/?vuldb.80729
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8791

Upstream fix:

https://github.com/Matroska-Org/libebml/commit/24e5cd7c666b1ddd85619d60486db0a5481c1b90

Comment 1 Andrej Nemec 2016-02-02 09:17:24 UTC
Created libebml tracking bugs for this issue:

Affects: epel-6 [bug 1303854]
Affects: epel-7 [bug 1303856]


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