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CVE-2007-4727

UnknownEPSS 12.90%

Last modified

CVE-2007-4727 is a vulnerability of currently unknown severity. Buffer overflow in the fcgi_env_add function in mod_proxy_backend_fastcgi.c in the mod_fastcgi extension in lighttpd before 1.4.18 allows remote attackers to overwrite arbitrary CGI variables and execute arbitrary code via an HTTP request with a long content length, as demonstrated by overwriting the SCRIPT_FILENAME variable, aka a "header overflow.". EPSS estimates a 12.90% chance of exploitation in the next 30 days.

Description

Buffer overflow in the fcgi_env_add function in mod_proxy_backend_fastcgi.c in the mod_fastcgi extension in lighttpd before 1.4.18 allows remote attackers to overwrite arbitrary CGI variables and execute arbitrary code via an HTTP request with a long content length, as demonstrated by overwriting the SCRIPT_FILENAME variable, aka a "header overflow."

Metrics

EPSS Probability
12.90%

95.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LighttpdLighttpd<= 1.4.15

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2007-4727?
Buffer overflow in the fcgi_env_add function in mod_proxy_backend_fastcgi.c in the mod_fastcgi extension in lighttpd before 1.4.18 allows remote attackers to overwrite arbitrary CGI variables and execute arbitrary code via an HTTP request with a long content length, as demonstrated by overwriting the SCRIPT_FILENAME variable, aka a "header overflow."
How severe is CVE-2007-4727?
Severity scoring for CVE-2007-4727 is pending analysis. The EPSS model estimates a 12.90% probability of exploitation in the next 30 days.
How do I fix CVE-2007-4727?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2007-4727?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST