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CVE-2011-1924

UnknownEPSS 2.82%

Last modified

CVE-2011-1924 is a vulnerability of currently unknown severity. Buffer overflow in the policy_summarize function in or/policies.c in Tor before 0.2.1.30 allows remote attackers to cause a denial of service (directory authority crash) via a crafted policy that triggers creation of a long port list.. EPSS estimates a 2.82% chance of exploitation in the next 30 days.

Description

Buffer overflow in the policy_summarize function in or/policies.c in Tor before 0.2.1.30 allows remote attackers to cause a denial of service (directory authority crash) via a crafted policy that triggers creation of a long port list.

Metrics

EPSS Probability
2.82%

84.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
TorTor<= 0.2.1.29—
TorTor0.0.2—
TorTor0.0.2_pre13—
TorTor0.0.2_pre14—
TorTor0.0.2_pre15—
TorTor0.0.2_pre16—
TorTor0.0.2_pre17—
TorTor0.0.2_pre18—
TorTor0.0.2_pre19—
TorTor0.0.2_pre20—
TorTor0.0.2_pre21—
TorTor0.0.2_pre22—
TorTor0.0.2_pre23—
TorTor0.0.2_pre24—
TorTor0.0.2_pre25—
TorTor0.0.2_pre26—
TorTor0.0.2_pre27—
TorTor0.0.3—
TorTor0.0.4—
TorTor0.0.5—
TorTor0.0.6—
TorTor0.0.6.1—
TorTor0.0.6.2—
TorTor0.0.7—
TorTor0.0.7.1—
TorTor0.0.7.2—
TorTor0.0.7.3—
TorTor0.0.8—
TorTor0.0.8.1—
TorTor0.0.9—
TorTor0.0.9.1—
TorTor0.0.9.2—
TorTor0.0.9.3—
TorTor0.0.9.4—
TorTor0.0.9.5—
TorTor0.0.9.6—
TorTor0.0.9.7—
TorTor0.0.9.8—
TorTor0.0.9.9—
TorTor0.0.9.10—
TorTor0.1.0.1—
TorTor0.1.0.2—
TorTor0.1.0.3—
TorTor0.1.0.4—
TorTor0.1.0.5—
TorTor0.1.0.6—
TorTor0.1.0.7—
TorTor0.1.0.8—
TorTor0.1.0.9—
TorTor0.1.0.10—

Showing 50 of 204 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-1924?
Buffer overflow in the policy_summarize function in or/policies.c in Tor before 0.2.1.30 allows remote attackers to cause a denial of service (directory authority crash) via a crafted policy that triggers creation of a long port list.
How severe is CVE-2011-1924?
Severity scoring for CVE-2011-1924 is pending analysis. The EPSS model estimates a 2.82% probability of exploitation in the next 30 days.
How do I fix CVE-2011-1924?
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-2011-1924?

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

Scan your code now

Source: NVD / NIST