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Last updated: 9/19/2014 4:01:46 AM

CVE Publication rate: 28.57

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Vulnerability Summary for CVE-2013-6401

Original release date: 03/20/2014
Last revised: 05/23/2014
Source: US-CERT/NIST

Overview

Jansson, possibly 2.4 and earlier, does not restrict the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted JSON document.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (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

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External Source: CONFIRM
Name: https://github.com/akheron/jansson/commit/8f80c2d83808150724d31793e6ade92749b1faa4
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=1035538
External Source: SUSE
Name: openSUSE-SU-2014:0394
External Source: MLIST
Name: [oss-security] 20140211 CVE-2013-6401 Jansson hash collision issue

Technical Details

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