Critical severity · published Jul 25, 2016
CVE-2016-6290
ext/session/session.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 does not properly maintain a certain hash data structure, which allows remote attackers to…
9.8
CVSS
5.5%
EPSS
No
On KEV
Description
ext/session/session.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 does not properly maintain a certain hash data structure, which allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via vectors related to session deserialization.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.5% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
through 5.5.37; 5.6.0; 5.6.0; 5.6.0; 5.6.0; 5.6.0; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-6290
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-6290
git.php.net
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=3798eb6fd5dddb211b01d41495072fd9858d4e32
lists.apple.com
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
Mailing List
http://openwall.com/lists/oss-security/2016/07/24/2
Release Notes
http://php.net/ChangeLog-5.php
php.net
http://php.net/ChangeLog-7.php
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2016-2750.html
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