CVE-2011-4815

Advisory lineage Upstream: 0 Downstream: 6
Modified
Published: 30 Dec 2011, 01:00
Last modified:07 Aug 2024, 00:16

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v2.0 (nvd)
EPSS Score
1.41% LOW
1% probability -0.55%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

30 Dec 2011, 01:00
Published
Vulnerability first disclosed
07 Aug 2024, 00:16
Last Modified
Vulnerability information updated

Description

Ruby (aka CRuby) before 1.8.7-p357 computes hash values without 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.

CVSS Metrics

  • v2.0•HIGH•Score: 7.8AV:N/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 1.41%• Percentile: 81%

Techniques & Countermeasures

  • CWE-20•Improper Input Validation

    The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected Systems

  • ruby-lang•ruby

    ≤ 1.8.7-p352 | 1.8.7-p299 | 1.8.7-p302 | 1.8.7-p330 | 1.8.7-p334

References (16)