Strix
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CVE-2011-2665

UnknownEPSS 3.97%

Last modified

CVE-2011-2665 is a vulnerability of currently unknown severity. reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a SIP packet with a Contact header that lacks a < (less than) character.. EPSS estimates a 3.97% chance of exploitation in the next 30 days.

Description

reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a SIP packet with a Contact header that lacks a < (less than) character.

Metrics

EPSS Probability
3.97%

89.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
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

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-2665?
reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a SIP packet with a Contact header that lacks a < (less than) character.
How severe is CVE-2011-2665?
Severity scoring for CVE-2011-2665 is pending analysis. The EPSS model estimates a 3.97% probability of exploitation in the next 30 days.
How do I fix CVE-2011-2665?
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-2011-2665?

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

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Source: NVD / NIST