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CVE-2015-8790

Published: 29 January 2016

The EbmlUnicodeString::UpdateFromUTF8 function in libEBML before 1.3.3 allows context-dependent attackers to obtain sensitive information from process heap memory via a crafted UTF-8 string, which triggers an invalid memory access.

Notes

AuthorNote
sbeattie
mkvtoolnix contains an embedded copy of libebml, but it looks
like it uses the system version of it

Priority

Medium

Cvss 3 Severity Score

4.3

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 4.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N