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HistoryMay 24, 2017 - 11:10 a.m.

[SECURITY] [DSA 3861-1] libtasn1-6 security update

2017-05-2411:10:46
lists.debian.org
5

8.8 High

CVSS3

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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


Debian Security Advisory DSA-3861-1 [email protected]
https://www.debian.org/security/ Sebastien Delafond
May 24, 2017 https://www.debian.org/security/faq


Package : libtasn1-6
CVE ID : CVE-2017-6891
Debian Bug : 863186

Jakub Jirasek of Secunia Research discovered that libtasn1, a library
used to handle Abstract Syntax Notation One structures, did not
properly validate its input. This would allow an attacker to cause a
crash by denial-of-service, or potentially execute arbitrary code, by
tricking a user into processing a maliciously crafted assignments
file.

For the stable distribution (jessie), this problem has been fixed in
version 4.2-3+deb8u3.

We recommend that you upgrade your libtasn1-6 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

8.8 High

CVSS3

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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