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CVE-2012-5533

UnknownEPSS 12.04%

Last modified

CVE-2012-5533 is a vulnerability of currently unknown severity. The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote attackers to cause a denial of service (infinite loop) via a request with a header containing an empty token, as demonstrated using the "Connection: TE,,Keep-Alive" header.. EPSS estimates a 12.04% chance of exploitation in the next 30 days.

Description

The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote attackers to cause a denial of service (infinite loop) via a request with a header containing an empty token, as demonstrated using the "Connection: TE,,Keep-Alive" header.

Metrics

EPSS Probability
12.04%

95.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LighttpdLighttpd1.4.31
LighttpdLighttpd1.4.32

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-5533?
The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote attackers to cause a denial of service (infinite loop) via a request with a header containing an empty token, as demonstrated using the "Connection: TE,,Keep-Alive" header.
How severe is CVE-2012-5533?
Severity scoring for CVE-2012-5533 is pending analysis. The EPSS model estimates a 12.04% probability of exploitation in the next 30 days.
How do I fix CVE-2012-5533?
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-2012-5533?

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

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Source: NVD / NIST