Strix
26.1K

CVE-2011-1507

UnknownEPSS 2.50%

Last modified

CVE-2011-1507 is a vulnerability of currently unknown severity. Asterisk Open Source 1.4.x before 1.4.40.1, 1.6.1.x before 1.6.1.25, 1.6.2.x before 1.6.2.17.3, and 1.8.x before 1.8.3.3 and Asterisk Business Edition C.x.x before C.3.6.4 do not restrict the number of unauthenticated sessions to certain interfaces, which allows remote attackers to cause a denial of service (file descriptor exhaustion and disk space exhaustion) via a series of TCP connections.. EPSS estimates a 2.50% chance of exploitation in the next 30 days.

Description

Asterisk Open Source 1.4.x before 1.4.40.1, 1.6.1.x before 1.6.1.25, 1.6.2.x before 1.6.2.17.3, and 1.8.x before 1.8.3.3 and Asterisk Business Edition C.x.x before C.3.6.4 do not restrict the number of unauthenticated sessions to certain interfaces, which allows remote attackers to cause a denial of service (file descriptor exhaustion and disk space exhaustion) via a series of TCP connections.

Metrics

EPSS Probability
2.50%

82.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
DigiumAsterisk1.4.0—
DigiumAsterisk1.4.1—
DigiumAsterisk1.4.2—
DigiumAsterisk1.4.3—
DigiumAsterisk1.4.10—
DigiumAsterisk1.4.10.1—
DigiumAsterisk1.4.11—
DigiumAsterisk1.4.12—
DigiumAsterisk1.4.12.1—
DigiumAsterisk1.4.13—
DigiumAsterisk1.4.14—
DigiumAsterisk1.4.15—
DigiumAsterisk1.4.16—
DigiumAsterisk1.4.16.1—
DigiumAsterisk1.4.16.2—
DigiumAsterisk1.4.17—
DigiumAsterisk1.4.18—
DigiumAsterisk1.4.19—
DigiumAsterisk1.4.19.1—
DigiumAsterisk1.4.19.2—
DigiumAsterisk1.4.20—
DigiumAsterisk1.4.20.1—
DigiumAsterisk1.4.21—
DigiumAsterisk1.4.21.1—
DigiumAsterisk1.4.21.2—
DigiumAsterisk1.4.22—
DigiumAsterisk1.4.22.1—
DigiumAsterisk1.4.22.2—
DigiumAsterisk1.4.23—
DigiumAsterisk1.4.23.1—
DigiumAsterisk1.4.23.2—
DigiumAsterisk1.4.24—
DigiumAsterisk1.4.24.1—
DigiumAsterisk1.4.25—
DigiumAsterisk1.4.25.1—
DigiumAsterisk1.4.26—
DigiumAsterisk1.4.26.1—
DigiumAsterisk1.4.26.2—
DigiumAsterisk1.4.26.3—
DigiumAsterisk1.4.27—
DigiumAsterisk1.4.27.1—
DigiumAsterisk1.4.28—
DigiumAsterisk1.4.29—
DigiumAsterisk1.4.29.1—
DigiumAsterisk1.4.30—
DigiumAsterisk1.4.31—
DigiumAsterisk1.4.32—
DigiumAsterisk1.4.33—
DigiumAsterisk1.4.33.1—
DigiumAsterisk1.4.34—

Showing 50 of 123 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-1507?
Asterisk Open Source 1.4.x before 1.4.40.1, 1.6.1.x before 1.6.1.25, 1.6.2.x before 1.6.2.17.3, and 1.8.x before 1.8.3.3 and Asterisk Business Edition C.x.x before C.3.6.4 do not restrict the number of unauthenticated sessions to certain interfaces, which allows remote attackers to cause a denial of service (file descriptor exhaustion and disk space exhaustion) via a series of TCP connections.
How severe is CVE-2011-1507?
Severity scoring for CVE-2011-1507 is pending analysis. The EPSS model estimates a 2.50% probability of exploitation in the next 30 days.
How do I fix CVE-2011-1507?
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-2011-1507?

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

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Source: NVD / NIST