Vulnerability Details : CVE-2013-6401
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.
Vulnerability category: Denial of service
Products affected by CVE-2013-6401
- cpe:2.3:a:jansson_project:jansson:*:*:*:*:*:*:*:*
- cpe:2.3:a:jansson_project:jansson:2.3:*:*:*:*:*:*:*
- cpe:2.3:a:jansson_project:jansson:2.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:jansson_project:jansson:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:jansson_project:jansson:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:jansson_project:jansson:2.2:*:*:*:*:*:*:*
- cpe:2.3:a:jansson_project:jansson:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:jansson_project:jansson:2.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2013-6401
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-6401
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2013-6401
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-6401
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https://bugzilla.redhat.com/show_bug.cgi?id=1035538
1035538 – (CVE-2013-6401) CVE-2013-6401 jansson: hash table collisions CPU usage DoS
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http://comments.gmane.org/gmane.comp.security.oss.general/12099
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http://lists.opensuse.org/opensuse-updates/2014-03/msg00057.html
openSUSE-SU-2014:0394-1: moderate: libjansson: fixed denial of service p
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https://github.com/akheron/jansson/commit/8f80c2d83808150724d31793e6ade92749b1faa4
CVE-2013-6401: Change hash function, randomize hashes · akheron/jansson@8f80c2d · GitHub
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