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CVE-2011-2778

UnknownEPSS 3.82%

Last modified

CVE-2011-2778 is a vulnerability of currently unknown severity. Multiple heap-based buffer overflows in Tor before 0.2.2.35 allow remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code by (1) establishing a SOCKS connection to SocksPort or (2) leveraging a SOCKS proxy configuration.. EPSS estimates a 3.82% chance of exploitation in the next 30 days.

Description

Multiple heap-based buffer overflows in Tor before 0.2.2.35 allow remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code by (1) establishing a SOCKS connection to SocksPort or (2) leveraging a SOCKS proxy configuration.

Metrics

EPSS Probability
3.82%

88.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
TorTor<= 0.2.2.34—
TorTor0.0.2—
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—
TorTor0.1.0.11—
TorTor0.1.0.12—
TorTor0.1.0.13—
TorTor0.1.0.14—
TorTor0.1.0.15—
TorTor0.1.0.16—
TorTor0.1.0.17—
TorTor0.1.0.18—
TorTor0.1.0.19—
TorTor0.1.1—
TorTor0.1.1.1—
TorTor0.1.1.2—
TorTor0.1.1.3—
TorTor0.1.1.4—
TorTor0.1.1.5—

Showing 50 of 206 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-2778?
Multiple heap-based buffer overflows in Tor before 0.2.2.35 allow remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code by (1) establishing a SOCKS connection to SocksPort or (2) leveraging a SOCKS proxy configuration.
How severe is CVE-2011-2778?
Severity scoring for CVE-2011-2778 is pending analysis. The EPSS model estimates a 3.82% probability of exploitation in the next 30 days.
How do I fix CVE-2011-2778?
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-2011-2778?

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

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Source: NVD / NIST