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CVE-2011-2535

UnknownEPSS 4.61%

Last modified

CVE-2011-2535 is a vulnerability of currently unknown severity. chan_iax2.c in the IAX2 channel driver in Asterisk Open Source 1.4.x before 1.4.41.1, 1.6.2.x before 1.6.2.18.1, and 1.8.x before 1.8.4.3, and Asterisk Business Edition C.3 before C.3.7.3, accesses a memory address contained in an option control frame, which allows remote attackers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a crafted frame.. EPSS estimates a 4.61% chance of exploitation in the next 30 days.

Description

chan_iax2.c in the IAX2 channel driver in Asterisk Open Source 1.4.x before 1.4.41.1, 1.6.2.x before 1.6.2.18.1, and 1.8.x before 1.8.4.3, and Asterisk Business Edition C.3 before C.3.7.3, accesses a memory address contained in an option control frame, which allows remote attackers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a crafted frame.

Metrics

EPSS Probability
4.61%

90.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
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—
DigiumAsterisk1.8.2.4—
DigiumAsterisk1.8.3—
DigiumAsterisk1.8.3.1—
DigiumAsterisk1.8.3.2—
DigiumAsterisk1.8.3.3—
DigiumAsterisk1.8.4—
DigiumAsterisk1.8.4.1—
DigiumAsterisk1.8.4.2—
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—
DigiumAsterisk1.6.2.16.2—
DigiumAsterisk1.6.2.17—
DigiumAsterisk1.6.2.17.1—
DigiumAsterisk1.6.2.17.2—
DigiumAsterisk1.6.2.17.3—
DigiumAsterisk1.6.2.18—
DigiumAsterisk1.4.0—
DigiumAsterisk1.4.1—
DigiumAsterisk1.4.2—
DigiumAsterisk1.4.3—
DigiumAsterisk1.4.4—
DigiumAsterisk1.4.5—
DigiumAsterisk1.4.6—
DigiumAsterisk1.4.7—
DigiumAsterisk1.4.7.1—
DigiumAsterisk1.4.8—
DigiumAsterisk1.4.9—
DigiumAsterisk1.4.10—
DigiumAsterisk1.4.10.1—
DigiumAsterisk1.4.11—
DigiumAsterisk1.4.12—
DigiumAsterisk1.4.12.1—
DigiumAsterisk1.4.13—
DigiumAsterisk1.4.14—

Showing 50 of 109 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-2535?
chan_iax2.c in the IAX2 channel driver in Asterisk Open Source 1.4.x before 1.4.41.1, 1.6.2.x before 1.6.2.18.1, and 1.8.x before 1.8.4.3, and Asterisk Business Edition C.3 before C.3.7.3, accesses a memory address contained in an option control frame, which allows remote attackers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a crafted frame.
How severe is CVE-2011-2535?
Severity scoring for CVE-2011-2535 is pending analysis. The EPSS model estimates a 4.61% probability of exploitation in the next 30 days.
How do I fix CVE-2011-2535?
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-2011-2535?

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

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Source: NVD / NIST