Medium severity · published Jan 29, 2016
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…
4.3
CVSS
1.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libebml · Matroska
through 1.3.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-8791
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-8791
Vendor Advisory
http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html
www.debian.org
http://www.debian.org/security/2016/dsa-3538
Vendor Advisory
https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog
github.com
https://github.com/Matroska-Org/libebml/commit/24e5cd7c666b1ddd85619d60486db0a5481c1b90
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