Denial of service in PHP - CVE-2018-5711
Published: January 4, 2018
Vulnerability identifier: #VU9868
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-5711
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: PHP Group
Affected software:
PHP
PHP
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to an error in gdImageCreateFromGifCtx() function when processing images with GD library. A remote attacker can create a specially crafted image, pass it to vulnerable application and perform a denial of service (DoS) attack via infinite loop.
The vulnerability exists due to an error in gdImageCreateFromGifCtx() function when processing images with GD library. A remote attacker can create a specially crafted image, pass it to vulnerable application and perform a denial of service (DoS) attack via infinite loop.
How to mitigate CVE-2018-5711
Update to version 7.0.27,7.1.13 or 7.2.1.