CVE-2016-4574

Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

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

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://www.openwall.com/lists/oss-security/2016/05/10/3
http://www.ubuntu.com/usn/USN-2982-1
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=6be61daac047d8e6aa941eb103f8e71a1d4e3c75
http://www.openwall.com/lists/oss-security/2016/05/10/4
http://lists.opensuse.org/opensuse-updates/2016-05/msg00087.html
http://lists.opensuse.org/opensuse-updates/2016-06/msg00028.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:libksba_project:libksba:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:15.10:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::

Configuration 3 (hide)

OR	cpe:2.3:o:opensuse:opensuse:13.2:::::::*
	cpe:2.3:o:opensuse:leap:42.1:::::::*

Information

Published : 2016-06-13 19:59

Updated : 2019-11-29 13:49

NVD link : CVE-2016-4574

Mitre link : CVE-2016-4574

JSON object : View

Products Affected

opensuse

leap
opensuse

canonical

ubuntu_linux

libksba_project

libksba

CWE

CWE-189

Numeric Errors

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