CVE-2011-0755: Integer Overflow

Q: What is the severity of CVE-2011-0755?

CVE-2011-0755 has a moderate severity rating due to the potential for attackers to predict output from the mt_rand function in PHP.

Q: How do I fix CVE-2011-0755?

To fix CVE-2011-0755, upgrade PHP to version 5.3.4 or later, where this vulnerability is patched.

Q: What versions of PHP are affected by CVE-2011-0755?

CVE-2011-0755 affects multiple PHP versions including 3.0.x, 4.0.x, 4.1.x, 4.2.x, 4.3.x, and 5.2.x.

Q: What type of vulnerability is CVE-2011-0755?

CVE-2011-0755 is classified as an integer overflow vulnerability that impacts the mt_rand function in PHP.

Q: Are there any workarounds for CVE-2011-0755 if upgrading is not possible?

If upgrading is not possible, avoid using the mt_rand function with large max parameters that could exploit this integer overflow issue.

Published Feb 2, 2011

Updated

Integer overflow in the mtrand function in PHP before 5.3.4 might make it easier for context-dependent attackers to predict the return values by leveraging a script's use of a large max parameter, as demonstrated by a value that exceeds mtgetrandmax.

Affected Software

108 affected components

PHP PHP<=5.3.3

PHP PHP=1.0

PHP PHP=2.0

PHP PHP=2.0b10

PHP PHP=3.0

PHP PHP=3.0.1

PHP PHP=3.0.2

PHP PHP=3.0.3

PHP PHP=3.0.4

PHP PHP=3.0.5

PHP PHP=3.0.6

PHP PHP=3.0.7

PHP PHP=3.0.8

PHP PHP=3.0.9

PHP PHP=3.0.10

PHP PHP=3.0.11

PHP PHP=3.0.12

PHP PHP=3.0.13

PHP PHP=3.0.14

PHP PHP=3.0.15

PHP PHP=3.0.16

PHP PHP=3.0.17

PHP PHP=3.0.18

PHP PHP=4.0

PHP PHP=4.0-beta_4_patch1

PHP PHP=4.0-beta1

PHP PHP=4.0-beta2

PHP PHP=4.0-beta3

PHP PHP=4.0-beta4

PHP PHP=4.0.0

PHP PHP=4.0.1

PHP PHP=4.0.2

PHP PHP=4.0.3

PHP PHP=4.0.4

PHP PHP=4.0.5

PHP PHP=4.0.6

PHP PHP=4.0.7

PHP PHP=4.1.0

PHP PHP=4.1.1

PHP PHP=4.1.2

PHP PHP=4.2.0

PHP PHP=4.2.1

PHP PHP=4.2.2

PHP PHP=4.2.3

PHP PHP=4.3.0

PHP PHP=4.3.1

PHP PHP=4.3.2

PHP PHP=4.3.3

PHP PHP=4.3.4

PHP PHP=4.3.5

PHP PHP=4.3.6

PHP PHP=4.3.7

PHP PHP=4.3.8

PHP PHP=4.3.9

PHP PHP=4.3.10

PHP PHP=4.3.11

PHP PHP=4.4.0

PHP PHP=4.4.1

PHP PHP=4.4.2

PHP PHP=4.4.3

PHP PHP=4.4.4

PHP PHP=4.4.5

PHP PHP=4.4.6

PHP PHP=4.4.7

PHP PHP=4.4.8

PHP PHP=4.4.9

PHP PHP=5.0.0

PHP PHP=5.0.0-beta1

PHP PHP=5.0.0-beta2

PHP PHP=5.0.0-beta3

PHP PHP=5.0.0-beta4

PHP PHP=5.0.0-rc1

PHP PHP=5.0.0-rc2

PHP PHP=5.0.0-rc3

PHP PHP=5.0.1

PHP PHP=5.0.2

PHP PHP=5.0.3

PHP PHP=5.0.4

PHP PHP=5.0.5

PHP PHP=5.1.0

PHP PHP=5.1.1

PHP PHP=5.1.2

PHP PHP=5.1.3

PHP PHP=5.1.4

PHP PHP=5.1.5

PHP PHP=5.1.6

PHP PHP=5.2.0

PHP PHP=5.2.1

PHP PHP=5.2.2

PHP PHP=5.2.3

PHP PHP=5.2.4

PHP PHP=5.2.5

PHP PHP=5.2.6

PHP PHP=5.2.7

PHP PHP=5.2.8

PHP PHP=5.2.9

PHP PHP=5.2.10

PHP PHP=5.2.11

PHP PHP=5.2.12

PHP PHP=5.2.13

PHP PHP=5.2.14

PHP PHP=5.2.15

PHP PHP=5.2.16

PHP PHP=5.2.17

PHP PHP=5.3.0

PHP PHP=5.3.1

PHP PHP=5.3.2

Event History

Feb 2, 2011

CVE Published

via MITRE·09:00 PM

Data Sourced

via MITRE·09:00 PM

Description

Frequently Asked Questions

What is the severity of CVE-2011-0755?

CVE-2011-0755 has a moderate severity rating due to the potential for attackers to predict output from the mt_rand function in PHP.

How do I fix CVE-2011-0755?

To fix CVE-2011-0755, upgrade PHP to version 5.3.4 or later, where this vulnerability is patched.

What versions of PHP are affected by CVE-2011-0755?