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CVE-2015-8789

Published: 29 January 2016

Use-after-free vulnerability in the EbmlMaster::Read function in libEBML before 1.3.3 allows context-dependent attackers to have unspecified impact via a "deeply nested element with infinite size" followed by another element of an upper level in an EBML document.

Notes

AuthorNote
sbeattie 
mkvtoolnix contains an embedded copy of libebml, but looks
to use the system version

Priority

Medium

Cvss 3 Severity Score

9.6

Score breakdown

Status

Package Release Status
libebml
Launchpad, Ubuntu, Debian 		precise
Released (1.2.2-2+deb7u1build0.12.04.1)
trusty
Released (1.3.0-2+deb8u1build0.14.04.1)
upstream
Released (1.3.3)
vivid Ignored
(end of life)
wily Ignored
(end of life)
xenial Not vulnerable
(1.3.3-1)

Severity score breakdown

Parameter Value
Base score 9.6
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

References

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