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CVE-2013-0176

UnknownEPSS 3.05%

Last modified

CVE-2013-0176 is a vulnerability of currently unknown severity. The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.. EPSS estimates a 3.05% chance of exploitation in the next 30 days.

Description

The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.

Metrics

EPSS Probability
3.05%

85.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LibsshLibssh<= 0.5.3
LibsshLibssh0.4.7
LibsshLibssh0.4.8
LibsshLibssh0.5.0
LibsshLibssh0.5.1
LibsshLibssh0.5.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2013-0176?
The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.
How severe is CVE-2013-0176?
Severity scoring for CVE-2013-0176 is pending analysis. The EPSS model estimates a 3.05% probability of exploitation in the next 30 days.
How do I fix CVE-2013-0176?
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-2013-0176?

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

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Source: NVD / NIST