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CVE-2006-4924

UnknownEPSS 34.67%

Last modified

CVE-2006-4924 is a vulnerability of currently unknown severity. sshd in OpenSSH before 4.4, when using the version 1 SSH protocol, allows remote attackers to cause a denial of service (CPU consumption) via an SSH packet that contains duplicate blocks, which is not properly handled by the CRC compensation attack detector.. EPSS estimates a 34.67% chance of exploitation in the next 30 days.

Description

sshd in OpenSSH before 4.4, when using the version 1 SSH protocol, allows remote attackers to cause a denial of service (CPU consumption) via an SSH packet that contains duplicate blocks, which is not properly handled by the CRC compensation attack detector.

Metrics

EPSS Probability
34.67%

98.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OpenbsdOpenssh1.2
OpenbsdOpenssh1.2.1
OpenbsdOpenssh1.2.2
OpenbsdOpenssh1.2.3
OpenbsdOpenssh1.2.27
OpenbsdOpenssh2.1
OpenbsdOpenssh2.1.1
OpenbsdOpenssh2.2
OpenbsdOpenssh2.3
OpenbsdOpenssh2.5
OpenbsdOpenssh2.5.1
OpenbsdOpenssh2.5.2
OpenbsdOpenssh2.9
OpenbsdOpenssh2.9.9
OpenbsdOpenssh2.9.9p2
OpenbsdOpenssh2.9p1
OpenbsdOpenssh2.9p2
OpenbsdOpenssh3.0
OpenbsdOpenssh3.0.1
OpenbsdOpenssh3.0.1p1
OpenbsdOpenssh3.0.2
OpenbsdOpenssh3.0.2p1
OpenbsdOpenssh3.0p1
OpenbsdOpenssh3.1
OpenbsdOpenssh3.1p1
OpenbsdOpenssh3.2
OpenbsdOpenssh3.2.2
OpenbsdOpenssh3.2.2p1
OpenbsdOpenssh3.2.3p1
OpenbsdOpenssh3.3
OpenbsdOpenssh3.3p1
OpenbsdOpenssh3.4
OpenbsdOpenssh3.4p1
OpenbsdOpenssh3.5
OpenbsdOpenssh3.5p1
OpenbsdOpenssh3.6
OpenbsdOpenssh3.6.1
OpenbsdOpenssh3.6.1p1
OpenbsdOpenssh3.6.1p2
OpenbsdOpenssh3.7
OpenbsdOpenssh3.7.1
OpenbsdOpenssh3.7.1p1
OpenbsdOpenssh3.7.1p2
OpenbsdOpenssh3.8
OpenbsdOpenssh3.8.1
OpenbsdOpenssh3.8.1p1
OpenbsdOpenssh3.9
OpenbsdOpenssh3.9.1
OpenbsdOpenssh3.9.1p1
OpenbsdOpenssh4.0

Showing 50 of 56 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2006-4924?
sshd in OpenSSH before 4.4, when using the version 1 SSH protocol, allows remote attackers to cause a denial of service (CPU consumption) via an SSH packet that contains duplicate blocks, which is not properly handled by the CRC compensation attack detector.
How severe is CVE-2006-4924?
Severity scoring for CVE-2006-4924 is pending analysis. The EPSS model estimates a 34.67% probability of exploitation in the next 30 days.
How do I fix CVE-2006-4924?
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-2006-4924?

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

Scan your code now

Source: NVD / NIST