Strix
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CVE-2011-1175

UnknownEPSS 2.72%

Last modified

CVE-2011-1175 is a vulnerability of currently unknown severity. tcptls.c in the TCP/TLS server in Asterisk Open Source 1.6.1.x before 1.6.1.23, 1.6.2.x before 1.6.2.17.1, and 1.8.x before 1.8.3.1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by establishing many short TCP sessions to services that use a certain TLS API.. EPSS estimates a 2.72% chance of exploitation in the next 30 days.

Description

tcptls.c in the TCP/TLS server in Asterisk Open Source 1.6.1.x before 1.6.1.23, 1.6.2.x before 1.6.2.17.1, and 1.8.x before 1.8.3.1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by establishing many short TCP sessions to services that use a certain TLS API.

Metrics

EPSS Probability
2.72%

84.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
DigiumAsterisk1.6.1—
DigiumAsterisk1.6.1.0—
DigiumAsterisk1.6.1.1—
DigiumAsterisk1.6.1.2—
DigiumAsterisk1.6.1.3Rc1
DigiumAsterisk1.6.1.4—
DigiumAsterisk1.6.1.5—
DigiumAsterisk1.6.1.6—
DigiumAsterisk1.6.1.7Rc1
DigiumAsterisk1.6.1.8—
DigiumAsterisk1.6.1.9—
DigiumAsterisk1.6.1.10—
DigiumAsterisk1.6.1.11—
DigiumAsterisk1.6.1.12—
DigiumAsterisk1.6.1.13—
DigiumAsterisk1.6.1.14—
DigiumAsterisk1.6.1.15Rc2
DigiumAsterisk1.6.1.16—
DigiumAsterisk1.6.1.17—
DigiumAsterisk1.6.1.18—
DigiumAsterisk1.6.1.19—
DigiumAsterisk1.6.1.20—
DigiumAsterisk1.6.1.21—
DigiumAsterisk1.6.1.22—
DigiumAsterisk1.6.2.0—
DigiumAsterisk1.6.2.1—
DigiumAsterisk1.6.2.2—
DigiumAsterisk1.6.2.3Rc2
DigiumAsterisk1.6.2.4—
DigiumAsterisk1.6.2.5—
DigiumAsterisk1.6.2.6—
DigiumAsterisk1.6.2.15Rc1
DigiumAsterisk1.6.2.16—
DigiumAsterisk1.6.2.16.1—
DigiumAsterisk1.6.2.17—
DigiumAsterisk1.8.0—
DigiumAsterisk1.8.1—
DigiumAsterisk1.8.1.1—
DigiumAsterisk1.8.1.2—
DigiumAsterisk1.8.2—
DigiumAsterisk1.8.2.1—
DigiumAsterisk1.8.2.2—
DigiumAsterisk1.8.2.3—
DigiumAsterisk1.8.3—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-1175?
tcptls.c in the TCP/TLS server in Asterisk Open Source 1.6.1.x before 1.6.1.23, 1.6.2.x before 1.6.2.17.1, and 1.8.x before 1.8.3.1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by establishing many short TCP sessions to services that use a certain TLS API.
How severe is CVE-2011-1175?
Severity scoring for CVE-2011-1175 is pending analysis. The EPSS model estimates a 2.72% probability of exploitation in the next 30 days.
How do I fix CVE-2011-1175?
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-2011-1175?

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

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Source: NVD / NIST