CVE-2015-6835

Severity

75%

Complexity

99%

Confidentiality

106%

CWE-416: Use After Free

The session deserializer in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 mishandles multiple php_var_unserialize calls, which allow remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via crafted session content.

CWE-416: Use After Free

CVSS 3.0 Base Score 9.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P).

Overview

Type

PHP

First reported 8 years ago

2016-05-16 10:59:00

Last updated 7 years ago

2017-11-04 01:29:00

Affected Software

PHP 5.6.0 alpha1

5.6.0

PHP 5.6.0 alpha2

5.6.0

PHP 5.6.0 alpha3

5.6.0

PHP 5.6.0 alpha4

5.6.0

PHP 5.6.0 alpha5

5.6.0

PHP 5.6.0 beta1

5.6.0

PHP 5.6.0 beta2

5.6.0

PHP 5.6.0 beta3

5.6.0

PHP 5.6.0 beta4

5.6.0

PHP PHP 5.6.1

5.6.1

PHP 5.6.2

5.6.2

PHP 5.6.3

5.6.3

PHP 5.6.4

5.6.4

PHP 5.6.5

5.6.5

PHP 5.6.6

5.6.6

PHP 5.6.7

5.6.7

PHP PHP 5.6.8

5.6.8

PHP PHP 5.6.9

5.6.9

PHP PHP 5.6.10

5.6.10

PHP PHP 5.6.11

5.6.11

PHP PHP 5.6.12

5.6.12

PHP PHP

PHP 5.5.0

5.5.0

PHP 5.5.0 alpha1

5.5.0

PHP 5.5.0 alpha2

5.5.0

PHP 5.5.0 alpha3

5.5.0

PHP 5.5.0 alpha4

5.5.0

PHP 5.5.0 alpha5

5.5.0

PHP 5.5.0 alpha6

5.5.0

PHP 5.5.0 beta1

5.5.0

PHP 5.5.0 beta2

5.5.0

PHP 5.5.0 beta3

5.5.0

PHP 5.5.0 beta4

5.5.0

PHP 5.5.0 release candidate 1

5.5.0

PHP 5.5.0 release candidate 2

5.5.0

PHP 5.5.1

5.5.1

PHP 5.5.2

5.5.2

PHP 5.5.3

5.5.3

PHP 5.5.4

5.5.4

PHP 5.5.5

5.5.5

PHP 5.5.6

5.5.6

PHP 5.5.7

5.5.7

PHP 5.5.8

5.5.8

PHP 5.5.9

5.5.9

PHP 5.5.10

5.5.10

PHP 5.5.11

5.5.11

PHP 5.5.12

5.5.12

PHP 5.5.13

5.5.13

PHP 5.5.14

5.5.14

PHP 5.5.15

5.5.15

PHP 5.5.16

5.5.16

PHP 5.5.17

5.5.17

PHP 5.5.18

5.5.18

PHP 5.5.19

5.5.19

PHP 5.5.20

5.5.20

PHP 5.5.21

5.5.21

PHP 5.5.22

5.5.22

PHP 5.5.23

5.5.23

PHP 5.5.24

5.5.24

PHP 5.5.25

5.5.25

PHP 5.5.26

5.5.26

PHP 5.5.27

5.5.27

PHP 5.5.28

5.5.28

References

http://php.net/ChangeLog-5.php

DSA-3358

76734

1033548

https://bugs.php.net/bug.php?id=70219

GLSA-201606-10

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