Strix
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CVE-2010-1155

UnknownEPSS 1.56%

Last modified

CVE-2010-1155 is a vulnerability of currently unknown severity. Irssi before 0.8.15, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof IRC servers via an arbitrary certificate.. EPSS estimates a 1.56% chance of exploitation in the next 30 days.

Description

Irssi before 0.8.15, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof IRC servers via an arbitrary certificate.

Metrics

EPSS Probability
1.56%

72.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
IrssiIrssi<= 0.8.15Rc1
IrssiIrssi0.8.0—
IrssiIrssi0.8.1—
IrssiIrssi0.8.2—
IrssiIrssi0.8.3—
IrssiIrssi0.8.4—
IrssiIrssi0.8.5—
IrssiIrssi0.8.6—
IrssiIrssi0.8.7—
IrssiIrssi0.8.8—
IrssiIrssi0.8.9—
IrssiIrssi0.8.10—
IrssiIrssi0.8.11—
IrssiIrssi0.8.12—
IrssiIrssi0.8.13—
IrssiIrssi0.8.14—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2010-1155?
Irssi before 0.8.15, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof IRC servers via an arbitrary certificate.
How severe is CVE-2010-1155?
Severity scoring for CVE-2010-1155 is pending analysis. The EPSS model estimates a 1.56% probability of exploitation in the next 30 days.
How do I fix CVE-2010-1155?
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-2010-1155?

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

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Source: NVD / NIST