Remote Code Execution Vulnerability in PHP CGI Configuration
CVE-2012-1823
Key Information:
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What is CVE-2012-1823?
This vulnerability in PHP occurs when the software is configured to run as a CGI script. Specifically, when the query string lacks an equals sign, PHP fails to handle it appropriately, which can lead to remote attackers executing arbitrary code. This occurs due to insufficient validation of command-line options, particularly related to the 'd' case in php_getopt. Attackers could exploit this flaw to run unauthorized commands on the server, which can compromise not only the application but also the underlying system.
CISA has reported CVE-2012-1823
CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2012-1823 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace
The CISA's recommendation is: Apply updates per vendor instructions.
Human OS v1.0:
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Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
EPSS Score
94% chance of being exploited in the next 30 days.
CVSS V3.1
Timeline
- 🟡
Public PoC available
- 👾
Exploit known to exist
- 🦅
CISA Reported
Vulnerability published
Vulnerability Reserved