Strix
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CVE-2009-0362

UnknownEPSS 1.30%

Last modified

CVE-2009-0362 is a vulnerability of currently unknown severity. filter.d/wuftpd.conf in Fail2ban 0.8.3 uses an incorrect regular expression that allows remote attackers to cause a denial of service (forced authentication failures) via a crafted reverse-resolved DNS name (rhost) entry that contains a substring that is interpreted as an IP address, a different vulnerability than CVE-2007-4321.. EPSS estimates a 1.30% chance of exploitation in the next 30 days.

Description

filter.d/wuftpd.conf in Fail2ban 0.8.3 uses an incorrect regular expression that allows remote attackers to cause a denial of service (forced authentication failures) via a crafted reverse-resolved DNS name (rhost) entry that contains a substring that is interpreted as an IP address, a different vulnerability than CVE-2007-4321.

Metrics

EPSS Probability
1.30%

66.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Fail2banFail2ban0.8.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-0362?
filter.d/wuftpd.conf in Fail2ban 0.8.3 uses an incorrect regular expression that allows remote attackers to cause a denial of service (forced authentication failures) via a crafted reverse-resolved DNS name (rhost) entry that contains a substring that is interpreted as an IP address, a different vulnerability than CVE-2007-4321.
How severe is CVE-2009-0362?
Severity scoring for CVE-2009-0362 is pending analysis. The EPSS model estimates a 1.30% probability of exploitation in the next 30 days.
How do I fix CVE-2009-0362?
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-2009-0362?

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

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Source: NVD / NIST