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Exploits
ID:6024 - Exploit for Out-of-bounds write in PHP - CVE-2019-6977
ID:6024 - Exploit for Out-of-bounds write in PHP - CVE-2019-6977
Published: June 17, 2021
Vulnerability identifier: #VU16916
Vulnerability risk: High
CVE-ID: CVE-2019-6977
CWE-ID: CWE-787
Exploitation vector: Remote access
Vulnerable software:
PHP
PHP
Link to public exploit:
Vulnerability description
The vulnerability allows a remote attacker to execute arbitrary on the target system.
The weakness exists due to out-of-bounds write in imagecolormatch. A remote attacker can write up to 1200 bytes over the boundaries of a buffer allocated in the imagecolormatch function, which then calls gdImageColorMatch() and execute arbitrary code with elevated privileges.
The weakness exists due to out-of-bounds write in imagecolormatch. A remote attacker can write up to 1200 bytes over the boundaries of a buffer allocated in the imagecolormatch function, which then calls gdImageColorMatch() and execute arbitrary code with elevated privileges.
Remediation
The vulnerability has been fixed in the versions 5.6.40, 7.1.26, 7.2.14, 7.3.1.