PT-2016-4021 · Matroska+1 · Libebml+1

Moritz Bunkus · Published 2016-01-29 · Updated 2016-12-03 · CVE-2015-8791

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions libEBML versions prior to 1.3.3

Description The issue 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. This occurs in the EbmlElement::ReadCodedSizeValue function.

Recommendations For versions prior to 1.3.3, update to version 1.3.3 or later to resolve the issue.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

ALT-PU-2016-1931

CVE-2015-8791

DLA-438-1

DSA-3538-1

Affected Products

Alt Linux

Libebml

References · 21

• https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8789 · Security Note
• https://cve.org/CVERecord?id=CVE-2015-8791 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8791 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8790 · Security Note
• https://security-tracker.debian.org/tracker/DSA-3538-1 · Vendor Advisory
• http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3538-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2015-8791 · Vendor Advisory
• http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html · Vendor Advisory
• https://errata.altlinux.org/ALT-PU-2016-1931 · Vendor Advisory
• https://security-tracker.debian.org/tracker/source-package/libebml · Vendor Advisory
• http://debian.org/security/2016/dsa-3538 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2015-8791 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8791 · Vendor Advisory