Vulnerability Monitor

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CVE-2011-0753

Race condition in the PCNTL extension in PHP before 5.3.4, when a user-defined signal handler exists, might allow context-dependent attackers to cause a denial of service (memory corruption) via a large number of concurrent signals.

Published

2011-02-02T22:00:02.050

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-362
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application php php ≤ 5.3.3 Yes
Application php php 1.0 Yes
Application php php 2.0 Yes
Application php php 2.0b10 Yes
Application php php 3.0 Yes
Application php php 3.0.1 Yes
Application php php 3.0.2 Yes
Application php php 3.0.3 Yes
Application php php 3.0.4 Yes
Application php php 3.0.5 Yes
Application php php 3.0.6 Yes
Application php php 3.0.7 Yes
Application php php 3.0.8 Yes
Application php php 3.0.9 Yes
Application php php 3.0.10 Yes
Application php php 3.0.11 Yes
Application php php 3.0.12 Yes
Application php php 3.0.13 Yes
Application php php 3.0.14 Yes
Application php php 3.0.15 Yes
Application php php 3.0.16 Yes
Application php php 3.0.17 Yes
Application php php 3.0.18 Yes
Application php php 4.0 Yes
Application php php 4.0 Yes
Application php php 4.0 Yes
Application php php 4.0 Yes
Application php php 4.0 Yes
Application php php 4.0 Yes
Application php php 4.0.0 Yes
Application php php 4.0.1 Yes
Application php php 4.0.2 Yes
Application php php 4.0.3 Yes
Application php php 4.0.4 Yes
Application php php 4.0.5 Yes
Application php php 4.0.6 Yes
Application php php 4.0.7 Yes
Application php php 4.1.0 Yes
Application php php 4.1.1 Yes
Application php php 4.1.2 Yes
Application php php 4.2.0 Yes
Application php php 4.2.1 Yes
Application php php 4.2.2 Yes
Application php php 4.2.3 Yes
Application php php 4.3.0 Yes
Application php php 4.3.1 Yes
Application php php 4.3.2 Yes
Application php php 4.3.3 Yes
Application php php 4.3.4 Yes
Application php php 4.3.5 Yes
Application php php 4.3.6 Yes
Application php php 4.3.7 Yes
Application php php 4.3.8 Yes
Application php php 4.3.9 Yes
Application php php 4.3.10 Yes
Application php php 4.3.11 Yes
Application php php 4.4.0 Yes
Application php php 4.4.1 Yes
Application php php 4.4.2 Yes
Application php php 4.4.3 Yes
Application php php 4.4.4 Yes
Application php php 4.4.5 Yes
Application php php 4.4.6 Yes
Application php php 4.4.7 Yes
Application php php 4.4.8 Yes
Application php php 4.4.9 Yes
Application php php 5.3.0 Yes
Application php php 5.3.1 Yes
Application php php 5.3.2 Yes
References