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debianDebianDEBIAN:DLA-420-1:87EF0
HistoryFeb 18, 2016 - 3:59 p.m.

[SECURITY] [DLA 420-1] libmatroska security update

2016-02-1815:59:20
lists.debian.org
9

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

8.9

Confidence

High

EPSS

0.046

Percentile

92.6%

Package : libmatroska
Version : 0.8.1-1.1+deb6u1
CVE ID : CVE-2014-9765

It was discovered that there was a invalid memory address issue
in libmatroska, an extensible open standard audio/video container
format.

When reading a block group or a simple block that uses EBML
lacing the frame sizes indicated in the lacing weren't checked
against the available number of bytes. If the indicated frame
size was bigger than the whole block's size the parser would read
beyond the end of the buffer resulting in a heap information
leak.

For Debian 6 Squeeze, this issue has been fixed in libmatroska
version 0.8.1-1.1+deb6u1.

Regards,


  ,''`.
 : :'  :     Chris Lamb
 `. `'`      [email protected] / chris-lamb.co.uk
   `-

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

8.9

Confidence

High

EPSS

0.046

Percentile

92.6%