Critical severity · published Sep 12, 2016
CVE-2016-7127
The imagegammacorrect function in ext/gd/gd.c in PHP before 5.6.25 and 7.x before 7.0.10 does not properly validate gamma values, which allows remote attackers to cause a denial…
9.8
CVSS
6.8%
EPSS
No
On KEV
Description
The imagegammacorrect function in ext/gd/gd.c in PHP before 5.6.25 and 7.x before 7.0.10 does not properly validate gamma values, which allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact by providing different signs for the second and third arguments.
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)6.8% · 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
through 5.6.24; 7.0.0; 7.0.1; 7.0.2; 7.0.3; 7.0.4; +5 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7127
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-7127
Mailing List
http://openwall.com/lists/oss-security/2016/09/02/9
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Release Notes
http://www.php.net/ChangeLog-5.php
Release Notes
http://www.php.net/ChangeLog-7.php
www.securityfocus.com
http://www.securityfocus.com/bid/92757
www.securitytracker.com
http://www.securitytracker.com/id/1036680
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