CVE-2011-4885

Advisory lineage Upstream: 0 Downstream: 7
Modified
Published: 30 Dec 2011, 01:00
Last modified:07 Aug 2024, 00:16

Vulnerability Summary

Overall Risk (default)
medium
47/100
CVSS Score
5 MEDIUM
v2.0 (nvd)
EPSS Score
86.57% CRITICAL
87% probability -2.00%
KEV
Not listed
Ransomware
No reports
Public exploits
4 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

PHP before 5.3.9 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.

CVSS Metrics

  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 86.57%• Percentile: 99%

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

  • Unknown•PHP

    ≤ 5.3.8 | 5.0.0 | 5.0.0:beta1 | 5.0.0:beta2 | 5.0.0:beta3 | 5.0.0:beta4 | 5.0.0:rc1 | 5.0.0:rc2 | 5.0.0:rc3 | 5.0.1 | 5.0.2 | 5.0.3 | 5.0.4 | 5.0.5 | 5.1.1 | 5.1.2 | 5.1.3 | 5.1.4 | 5.1.5 | 5.1.6 | 5.2.0 | 5.2.1 | 5.2.2 | 5.2.3 | 5.2.4 | 5.2.5 | 5.2.6 | 5.2.7 | 5.2.8 | 5.2.9 | 5.2.10 | 5.2.11 | 5.2.12 | 5.2.14 | 5.2.15 | 5.2.16 | 5.2.17 | 5.3.0 | 5.3.1 | 5.3.2 | 5.3.3 | 5.3.4 | 5.3.5 | 5.3.6 | 5.3.7

References (27)