Integer signedness error in the dynamicGetbuf function in gd_io_dp.c in...
Vulnerability Description
Integer signedness error in the dynamicGetbuf function in gd_io_dp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a crafted imagecreatefromstring call.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2016-8670
Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.php.net/ChangeLog-7.php
- http://www.securityfocus.com/bid/93594
- https://github.com/libgd/libgd/commit/53110871935244816bbb9d131da0bccff734bfe9
- http://www.openwall.com/lists/oss-security/2016/10/15/1
- http://www.debian.org/security/2016/dsa-3693
- https://bugs.php.net/bug.php?id=73280
- http://www.php.net/ChangeLog-5.php
- https://support.f5.com/csp/article/K21336065?utm_source=f5support&%3Butm_medium=RSS
More from libgd
View All →Affected Vendor
libgd
View all reports →Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.