High severity · published Jan 19, 2016
CVE-2015-6831
Multiple use-after-free vulnerabilities in SPL in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allow remote attackers to execute arbitrary code via vectors…
7.3
CVSS
7.1%
EPSS
No
On KEV
Description
Multiple use-after-free vulnerabilities in SPL in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allow remote attackers to execute arbitrary code via vectors involving (1) ArrayObject, (2) SplObjectStorage, and (3) SplDoublyLinkedList, which are mishandled during unserialization.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)7.1% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
before 5.4.44; 5.5.0 before 5.5.28; 5.6.0 before 5.6.12 · source: NVD
DL
Debian Linux · Debian
7.0; 8.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-6831
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-6831
www.debian.org
http://www.debian.org/security/2015/dsa-3344
www.openwall.com
http://www.openwall.com/lists/oss-security/2015/08/19/3
www.php.net
http://www.php.net/ChangeLog-5.php
www.securityfocus.com
http://www.securityfocus.com/bid/76737
bugs.php.net
https://bugs.php.net/bug.php?id=70155
bugs.php.net
https://bugs.php.net/bug.php?id=70166
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