National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-11462 Detail

Current Description

Double free vulnerability in MIT Kerberos 5 (aka krb5) allows attackers to have unspecified impact via vectors involving automatic deletion of security contexts on error.

Source:  MITRE      Last Modified:  09/13/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-11462
Original release date:
09/13/2017
Last revised:
10/20/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
9.8 Critical
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (legend)
Impact Score:
5.9
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):
High
Integrity (I):
High
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.5 HIGH
Vector:
(AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
6.4
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8598 Vendor Advisory External Source CONFIRM http://krbdev.mit.edu/rt/Ticket/Display.html?id=8598
https://bugzilla.redhat.com/show_bug.cgi?id=1488873 Issue Tracking; Patch; Third Party Advisory; VDB Entry External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1488873
https://github.com/krb5/krb5/commit/56f7b1bc95a2a3eeb420e069e7655fb181ade5cf Patch; Third Party Advisory External Source CONFIRM https://github.com/krb5/krb5/commit/56f7b1bc95a2a3eeb420e069e7655fb181ade5cf
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2FPRUP4YVOEBGEROUYWZFEQ64HTMGNED/ Third Party Advisory External Source FEDORA FEDORA-2017-10c74147f9

Technical Details

Vulnerability Type (View All)

Change History 2 change records found - show changes