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ubuntuUbuntuUSN-2604-1
HistoryMay 11, 2015 - 12:00 a.m.

Libtasn1 vulnerability

2015-05-1100:00:00
ubuntu.com
29

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

AI Score

8.4

Confidence

High

EPSS

0.924

Percentile

99.0%

Releases

  • Ubuntu 15.04
  • Ubuntu 14.10
  • Ubuntu 14.04 ESM
  • Ubuntu 12.04

Packages

  • libtasn1-3 - Library to manage ASN.1 structures
  • libtasn1-6 - Library to manage ASN.1 structures

Details

Hanno Böck discovered that Libtasn1 incorrectly handled certain ASN.1 data.
A remote attacker could possibly exploit this with specially crafted ASN.1
data and cause applications using Libtasn1 to crash, resulting in a denial
of service, or possibly execute arbitrary code.

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

AI Score

8.4

Confidence

High

EPSS

0.924

Percentile

99.0%