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CVE-2016-4579

Published: 13 May 2016

Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via unspecified vectors, related to the "returned length of the object from _ksba_ber_parse_tl."

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
libksba
Launchpad, Ubuntu, Debian
precise
Released (1.2.0-2ubuntu0.2)
trusty
Released (1.3.0-3ubuntu0.14.04.2)
upstream
Released (1.3.4-3)
wily
Released (1.3.3-1ubuntu0.15.10.1)
xenial
Released (1.3.3-1ubuntu0.16.04.1)
Patches:
upstream: http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=a7eed17a0b2a1c09ef986f3b4b323cd31cea2b64

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H