Strix
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CVE-2015-1558

UnknownEPSS 3.03%

Last modified

CVE-2015-1558 is a vulnerability of currently unknown severity. Asterisk Open Source 12.x before 12.8.1 and 13.x before 13.1.1, when using the PJSIP channel driver, does not properly reclaim RTP ports, which allows remote authenticated users to cause a denial of service (file descriptor consumption) via an SDP offer containing only incompatible codecs.. EPSS estimates a 3.03% chance of exploitation in the next 30 days.

Description

Asterisk Open Source 12.x before 12.8.1 and 13.x before 13.1.1, when using the PJSIP channel driver, does not properly reclaim RTP ports, which allows remote authenticated users to cause a denial of service (file descriptor consumption) via an SDP offer containing only incompatible codecs.

Metrics

EPSS Probability
3.03%

85.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DigiumAsterisk12.0.0
DigiumAsterisk12.1.0
DigiumAsterisk12.1.1
DigiumAsterisk12.2.0
DigiumAsterisk12.3.0
DigiumAsterisk12.3.1
DigiumAsterisk12.3.2
DigiumAsterisk12.4.0
DigiumAsterisk12.5.0
DigiumAsterisk12.6.0
DigiumAsterisk12.7.0
DigiumAsterisk12.8.0
DigiumAsterisk12.8.1
DigiumAsterisk13.0.0
DigiumAsterisk13.1.0
DigiumAsterisk13.2.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-1558?
Asterisk Open Source 12.x before 12.8.1 and 13.x before 13.1.1, when using the PJSIP channel driver, does not properly reclaim RTP ports, which allows remote authenticated users to cause a denial of service (file descriptor consumption) via an SDP offer containing only incompatible codecs.
How severe is CVE-2015-1558?
Severity scoring for CVE-2015-1558 is pending analysis. The EPSS model estimates a 3.03% probability of exploitation in the next 30 days.
How do I fix CVE-2015-1558?
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-2015-1558?

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

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Source: NVD / NIST