CVE-2016-4356

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2016-4356
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2016-06-13T19:59:06
  • Last Modified Date
  • 2019-11-29T13:49:16
Weakness Enumerations
CWE URL
CWE-119 http://cwe.mitre.org/data/definitions/119.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:libksba_project:libksba:*:*:*:*:*:*:*:* 1 OR 1.3.2
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
http://www.openwall.com/lists/oss-security/2016/04/29/5
http://www.openwall.com/lists/oss-security/2016/05/10/3
http://www.ubuntu.com/usn/USN-2982-1
https://security.gentoo.org/glsa/201604-04
http://www.openwall.com/lists/oss-security/2016/04/29/8
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=243d12fdec66a4360fbb3e307a046b39b5b4ffc3
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-4356
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4356
History
Created Old Value New Value Data Type Notes
2022-05-10 16:58:35 Added to TrackCVE
2022-12-02 09:54:51 2016-06-13T19:59Z 2016-06-13T19:59:06 CVE Published Date updated
2022-12-02 09:54:51 2019-11-29T13:49:16 CVE Modified Date updated
2022-12-02 09:54:51 Analyzed Vulnerability Status updated