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HistoryMay 13, 2016 - 3:46 p.m.

[SECURITY] [DLA 470-1] libksba security update

2016-05-1315:46:31
lists.debian.org
6

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.017 Low

EPSS

Percentile

87.6%

Package : libksba
Version : 1.2.0-2+deb7u2
CVE ID : CVE-2016-4579

It was discovered that there was a possible read access beyond a buffer
vulnerability in libksba, a X.509 and CMS certificate support library.

The returned length of the object from _ksba_ber_parse_tl (ti.length)
was not always checked against the actual buffer length, thus leading
to a read access after the end of the buffer and thus a SEGV.

For Debian 7 "Wheezy", this issue has been fixed in libksba version
1.2.0-2+deb7u2.

We recommend that you upgrade your libksba packages.

Regards,


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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.017 Low

EPSS

Percentile

87.6%

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