Vulnerability Monitor

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CVE-2015-8791

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.

Published

2016-01-29T19:59:03.217

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-200

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	matroska	libebml	≤ 1.3.2	Yes

References

http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html ([email protected])
http://www.debian.org/security/2016/dsa-3538 ([email protected])
https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog Vendor Advisory ([email protected])
https://github.com/Matroska-Org/libebml/commit/24e5cd7c666b1ddd85619d60486db0a5481c1b90 ([email protected])
http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2016/dsa-3538 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/Matroska-Org/libebml/commit/24e5cd7c666b1ddd85619d60486db0a5481c1b90 (af854a3a-2127-422b-91ae-364da2661108)