7.5

CVE-2016-4356

The append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.3 allows remote attackers to cause a denial of service (out-of-bounds read) by clearing the high bit of the byte after invalid utf-8 encoded data.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gnupg ≫ Libksba Version <= 1.3.2
Canonical ≫ Ubuntu Linux Version 12.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 14.04 SwEdition lts
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.93% 0.853
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

http://www.openwall.com/lists/oss-security/2016/04/29/5
http://www.openwall.com/lists/oss-security/2016/04/29/8
http://www.ubuntu.com/usn/USN-2982-1
https://security.gentoo.org/glsa/201604-04
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=243d12fdec66a4360fbb3e307a046b39b5b4ffc3
http://www.openwall.com/lists/oss-security/2016/05/10/3