Zero-day Vulnerability Database

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Zero-day vulnerabilities discovered: 1

PHP code execution in H-fj Mt-phpincgi
CVE-2015-2945

Arbitrary PHP code execution

The vulnerability allows a remote attacker to execute arbitrary PHP code on the target system.

The weakness exists due to improper validation of input when performing an unserialize() call. A remote attacker can send a specially crafted URL request, inject and execute arbitrary PHP code on the system.

Successful exploitation of the vulnerability results in arbitrary PHP code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Software: Mt-phpincgi

Links:

http://www.h-fj.com/blog/archives/2015/05/15-112843.php
http://jvn.jp/en/jp/JVN64459670/index.html
http://jvndb.jvn.jp/en/contents/2015/JVNDB-2015-000067.html

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About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.