National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-4579 Detail

Current Description

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."

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=a7eed17a0b2a1c09ef986f3b4b323cd31cea2b64
http://lists.opensuse.org/opensuse-updates/2016-06/msg00028.html
http://www.openwall.com/lists/oss-security/2016/05/10/8
http://www.openwall.com/lists/oss-security/2016/05/11/10
http://www.ubuntu.com/usn/USN-2982-1
https://security.gentoo.org/glsa/201706-22

Technical Details

Vulnerability Type (View All)

  • Improper Input Validation (CWE-20)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:libksba_project:libskba:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.3.3

Configuration 2 ( hide )
 cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)


Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-4579
NVD Published Date:
06/13/2016
NVD Last Modified:
10/30/2018