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CVE-2012-3863

UnknownEPSS 3.20%

Last modified

CVE-2012-3863 is a vulnerability of currently unknown severity. channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Asterisk Business Edition C.3.x before C.3.7.5, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones does not properly handle a provisional response to a SIP reINVITE request, which allows remote authenticated users to cause a denial of service (RTP port exhaustion) via sessions that lack final responses.. EPSS estimates a 3.20% chance of exploitation in the next 30 days.

Description

channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Asterisk Business Edition C.3.x before C.3.7.5, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones does not properly handle a provisional response to a SIP reINVITE request, which allows remote authenticated users to cause a denial of service (RTP port exhaustion) via sessions that lack final responses.

Metrics

EPSS Probability
3.20%

86.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
DigiumAsterisk Business Editionc.3.1—
DigiumAsterisk Business Editionc.3.3—
DigiumAsterisk Business Editionc.3.7.4—
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—
DigiumAsterisk1.8.4.3—
DigiumAsterisk1.8.4.4—
DigiumAsterisk1.8.5—
DigiumAsterisk1.8.5.0—
DigiumAsterisk1.8.6.0—
DigiumAsterisk1.8.7.0—
DigiumAsterisk1.8.7.1—
DigiumAsterisk1.8.8.0—
DigiumAsterisk1.8.8.1—
DigiumAsterisk1.8.8.2—
DigiumAsterisk1.8.9.0—
DigiumAsterisk1.8.9.2—
DigiumAsterisk1.8.9.3—
DigiumAsterisk1.8.11.0—
DigiumAsterisk1.8.11.1—
DigiumAsterisk1.8.13.0—
DigiumAsteriske1.8.8.0Rc4
DigiumAsteriske1.8.9.1—
DigiumCertified Asterisk1.8.11Cert
DigiumAsterisk10.0.0—
DigiumAsterisk10.1.0—
DigiumAsterisk10.2.0—
DigiumAsterisk10.3.0—
DigiumAsterisk10.4.0—
DigiumAsterisk10.5.0—
DigiumAsterisk10.5.1—
DigiumAsterisk10.0.1—
DigiumAsterisk10.1.1—
DigiumAsterisk10.1.2—
DigiumAsterisk10.1.3—
DigiumAsterisk10.2.1—

Showing 50 of 53 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-3863?
channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Asterisk Business Edition C.3.x before C.3.7.5, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones does not properly handle a provisional response to a SIP reINVITE request, which allows remote authenticated users to cause a denial of service (RTP port exhaustion) via sessions that lack final responses.
How severe is CVE-2012-3863?
Severity scoring for CVE-2012-3863 is pending analysis. The EPSS model estimates a 3.20% probability of exploitation in the next 30 days.
How do I fix CVE-2012-3863?
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.

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Source: NVD / NIST