Ruby (aka CRuby) 1.9 before 1.9.3-p327 and 2.0 before r37575 computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table, as demonstrated by a universal multicollision attack against a variant of the MurmurHash2 algorithm, a different vulnerability than CVE-2011-4815.
Published 2012-11-28 13:03:10
Updated 2017-08-29 01:32:40
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Threat overview for CVE-2012-5371

Top countries where our scanners detected CVE-2012-5371
Top open port discovered on systems with this issue 22
IPs affected by CVE-2012-5371 1,952
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2012-5371!
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Exploit prediction scoring system (EPSS) score for CVE-2012-5371

0.57%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2012-5371

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-2012-5371

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2012-5371

Products affected by CVE-2012-5371

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