Strix
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CVE-2008-3443

UnknownEPSS 15.68%

Last modified

CVE-2008-3443 is a vulnerability of currently unknown severity. The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.. EPSS estimates a 15.68% chance of exploitation in the next 30 days.

Description

The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.

Metrics

EPSS Probability
15.68%

96.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Ruby-LangRuby1.6.8
Ruby-LangRuby1.8.0
Ruby-LangRuby1.8.1
Ruby-LangRuby1.8.2
Ruby-LangRuby1.8.3
Ruby-LangRuby1.8.4
Ruby-LangRuby1.8.5
Ruby-LangRuby1.8.6
Ruby-LangRuby1.8.7
Ruby-LangRuby1.9.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2008-3443?
The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.
How severe is CVE-2008-3443?
Severity scoring for CVE-2008-3443 is pending analysis. The EPSS model estimates a 15.68% probability of exploitation in the next 30 days.
How do I fix CVE-2008-3443?
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-2008-3443?

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

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Source: NVD / NIST