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CVE-2013-5641

UnknownEPSS 4.11%

Last modified

CVE-2013-5641 is a vulnerability of currently unknown severity. The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.17.x through 1.8.22.x, 1.8.23.x before 1.8.23.1, and 11.x before 11.5.1 and Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2 allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an ACK with SDP to a previously terminated channel. NOTE: some of these details are obtained from third party information.. EPSS estimates a 4.11% chance of exploitation in the next 30 days.

Description

The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.17.x through 1.8.22.x, 1.8.23.x before 1.8.23.1, and 11.x before 11.5.1 and Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2 allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an ACK with SDP to a previously terminated channel. NOTE: some of these details are obtained from third party information.

Metrics

EPSS Probability
4.11%

89.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
DigiumAsterisk1.8.17.0—
DigiumAsterisk1.8.18.0—
DigiumAsterisk1.8.18.1—
DigiumAsterisk1.8.19.0—
DigiumAsterisk1.8.19.1—
DigiumAsterisk1.8.20.0—
DigiumAsterisk1.8.21.0Rc1
DigiumAsterisk1.8.22.0—
DigiumAsterisk1.8.23.0—
DigiumAsterisk11.0.0—
DigiumAsterisk11.0.1—
DigiumAsterisk11.0.2—
DigiumAsterisk11.1.0—
DigiumAsterisk11.1.1—
DigiumAsterisk11.1.2—
DigiumAsterisk11.2.0Rc1
DigiumAsterisk11.3.0Rc1
DigiumAsterisk11.4.0—
DigiumAsterisk11.5.0—
DigiumAsterisk11.5.1—
DigiumCertified Asterisk1.8.15—
DigiumCertified Asterisk11.2.0—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2013-5641?
The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.17.x through 1.8.22.x, 1.8.23.x before 1.8.23.1, and 11.x before 11.5.1 and Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2 allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an ACK with SDP to a previously terminated channel. NOTE: some of these details are obtained from third party information.
How severe is CVE-2013-5641?
Severity scoring for CVE-2013-5641 is pending analysis. The EPSS model estimates a 4.11% probability of exploitation in the next 30 days.
How do I fix CVE-2013-5641?
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-2013-5641?

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

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Source: NVD / NIST