CVE-2016-7127
Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 12 Sept 2016, 01:00
Last modified:06 Aug 2024, 01:50
Vulnerability Summary
Overall Risk (default)
high
70/100 CVSS Score
9.8 CRITICAL
v3.0 (nvd)
EPSS Score
2.73% LOW
3% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected
Timeline
12 Sept 2016, 01:00
Published
Vulnerability first disclosed
06 Aug 2024, 01:50
Last Modified
Vulnerability information updated
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 Metrics
- v3.0•CRITICAL•Score: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS Trends
Current EPSS score: 2.73%• Percentile: 86%
Techniques & Countermeasures
- CWE-787•Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
Affected Systems
- Unknown•PHP
≤ 5.6.24 | 7.0.0 | 7.0.1 | 7.0.2 | 7.0.3 | 7.0.4 | 7.0.5 | 7.0.6 | 7.0.7 | 7.0.8 | 7.0.9
References (10)
- http://www.securityfocus.com/bid/92757
- http://www.php.net/ChangeLog-7.php
- https://bugs.php.net/bug.php?id=72730
- https://security.gentoo.org/glsa/201611-22
- http://www.securitytracker.com/id/1036680
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.php.net/ChangeLog-5.php
- https://www.tenable.com/security/tns-2016-19
- http://openwall.com/lists/oss-security/2016/09/02/9
- https://github.com/php/php-src/commit/1bd103df00f49cf4d4ade2cfe3f456ac058a4eae?w=1