CVE-2015-6835

2015-09-0900:00:00

ubuntu.com

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.088 Low

EPSS

Percentile

94.5%

JSON

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.

Bugs

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

OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchphp5< 5.3.10-1ubuntu3.20UNKNOWN
ubuntu14.04noarchphp5< 5.5.9+dfsg-1ubuntu4.13UNKNOWN
ubuntu15.04noarchphp5< 5.6.4+dfsg-4ubuntu6.3UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	12.04	noarch	php5	< 5.3.10-1ubuntu3.20	UNKNOWN
ubuntu	14.04	noarch	php5	< 5.5.9+dfsg-1ubuntu4.13	UNKNOWN
ubuntu	15.04	noarch	php5	< 5.6.4+dfsg-4ubuntu6.3	UNKNOWN