National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-6003 Detail

Current Description

An issue was discovered in the _asn1_decode_simple_ber function in decoding.c in GNU Libtasn1 before 4.13. Unlimited recursion in the BER decoder leads to stack exhaustion and DoS.

Source:  MITRE      Last Modified:  01/22/2018      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2018-6003
Original release date:
01/22/2018
Last revised:
02/09/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
7.5 High
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (legend)
Impact Score:
3.6
Exploitability Score:
3.9
CVSS Version 3 Metrics:
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 Severity (version 2.0):
CVSS v2 Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://git.savannah.nongnu.org/cgit/libtasn1.git/commit/?id=c593ae84cfcde8fea45787e53950e0ac71e9ca97 Patch; Vendor Advisory External Source CONFIRM http://git.savannah.nongnu.org/cgit/libtasn1.git/commit/?id=c593ae84cfcde8fea45787e53950e0ac71e9ca97
https://bugzilla.redhat.com/show_bug.cgi?id=1535926 Issue Tracking; Third Party Advisory External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1535926
https://bugzilla.suse.com/show_bug.cgi?id=1076832 Issue Tracking; Third Party Advisory External Source CONFIRM https://bugzilla.suse.com/show_bug.cgi?id=1076832
https://gitlab.com/gnutls/libtasn1/commit/946565d8eb05fbf7970ea366e817581bb5a90910 Patch; Third Party Advisory External Source CONFIRM https://gitlab.com/gnutls/libtasn1/commit/946565d8eb05fbf7970ea366e817581bb5a90910
https://www.debian.org/security/2018/dsa-4106 Third Party Advisory External Source DEBIAN DSA-4106

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Change History 2 change records found - show changes