National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-2053 Detail

Current Description

The asn1_ber_decoder function in lib/asn1_decoder.c in the Linux kernel before 4.3 allows attackers to cause a denial of service (panic) via an ASN.1 BER file that lacks a public key, leading to mishandling by the public_key_verify_signature function in crypto/asymmetric_keys/public_key.c.

Source:  MITRE
Description Last Modified:  05/02/2016
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 4.7 MEDIUM
Vector: AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.0

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

CVSS v2.0 Severity and Metrics:

Base Score: 4.7 MEDIUM
Vector: (AV:L/AC:M/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.4

Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0d62e9dd6da45bbf0f33a8617afc5fe774c8f45f Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00015.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00017.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00023.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html Mailing List Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2574.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2584.html Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/25/4 Mailing List Third Party Advisory
http://www.securitytracker.com/id/1036763 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1300237 Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/0d62e9dd6da45bbf0f33a8617afc5fe774c8f45f Patch Vendor Advisory

Technical Details

Vulnerability Type (View All)

Change History

8 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-2053
NVD Published Date:
05/02/2016
NVD Last Modified:
08/30/2018