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CVE-2011-4598

UnknownEPSS 2.44%

Last modified

CVE-2011-4598 is a vulnerability of currently unknown severity. The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.. EPSS estimates a 2.44% chance of exploitation in the next 30 days.

Description

The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.

Metrics

EPSS Probability
2.44%

82.2th 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—
DigiumAsterisk1.8.4.3—
DigiumAsterisk1.8.4.4—
DigiumAsterisk1.8.5—
DigiumAsterisk1.8.5.0—
DigiumAsterisk1.8.6.0—
DigiumAsterisk1.8.7.0—
DigiumAsterisk1.8.7.1—
DigiumAsterisk1.6.2.0—
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—
DigiumAsterisk1.6.2.19—
DigiumAsterisk1.6.2.20—
DigiumAsterisk1.6.2.21—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-4598?
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.
How severe is CVE-2011-4598?
Severity scoring for CVE-2011-4598 is pending analysis. The EPSS model estimates a 2.44% probability of exploitation in the next 30 days.
How do I fix CVE-2011-4598?
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.

How Strix Helps

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Source: NVD / NIST