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CVE-2007-3763

UnknownEPSS 26.56%

Last modified

CVE-2007-3763 is a vulnerability of currently unknown severity. The IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to cause a denial of service (crash) via a crafted (1) LAGRQ or (2) LAGRP frame that contains information elements of IAX frames, which results in a NULL pointer dereference when Asterisk does not properly set an associated variable.. EPSS estimates a 26.56% chance of exploitation in the next 30 days.

Description

The IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to cause a denial of service (crash) via a crafted (1) LAGRQ or (2) LAGRP frame that contains information elements of IAX frames, which results in a NULL pointer dereference when Asterisk does not properly set an associated variable.

Metrics

EPSS Probability
26.56%

97.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
AsteriskAsterisk1.0
AsteriskAsterisk1.0.6
AsteriskAsterisk1.0.7
AsteriskAsterisk1.0.8
AsteriskAsterisk1.0.9
AsteriskAsterisk1.0.10
AsteriskAsterisk1.0.11
AsteriskAsterisk1.0.12
AsteriskAsterisk1.2.0_beta1
AsteriskAsterisk1.2.0_beta2
AsteriskAsterisk1.2.5
AsteriskAsterisk1.2.6
AsteriskAsterisk1.2.7
AsteriskAsterisk1.2.8
AsteriskAsterisk1.2.9
AsteriskAsterisk1.2.10
AsteriskAsterisk1.2.11
AsteriskAsterisk1.2.12
AsteriskAsterisk1.2.13
AsteriskAsterisk1.2.14
AsteriskAsterisk1.2.15
AsteriskAsterisk1.2.16
AsteriskAsterisk1.2.17
AsteriskAsterisk1.4.1
AsteriskAsterisk1.4.2
AsteriskAsterisk1.4.4_2007-04-27
AsteriskAsterisk1.4_beta
AsteriskAsteriska
AsteriskAsteriskb.1.3.2
AsteriskAsteriskb.1.3.3
AsteriskAsteriskb.2.2.0
AsteriskAsterisk Appliance Developer Kit<= 0.4
AsteriskAsterisknowbeta_5
AsteriskAsterisknowbeta_6
AsteriskS800i Appliance1.0
AsteriskS800i Appliance1.0.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2007-3763?
The IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to cause a denial of service (crash) via a crafted (1) LAGRQ or (2) LAGRP frame that contains information elements of IAX frames, which results in a NULL pointer dereference when Asterisk does not properly set an associated variable.
How severe is CVE-2007-3763?
Severity scoring for CVE-2007-3763 is pending analysis. The EPSS model estimates a 26.56% probability of exploitation in the next 30 days.
How do I fix CVE-2007-3763?
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