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CVE-2008-5558

UnknownEPSS 1.96%

Last modified

CVE-2008-5558 is a vulnerability of currently unknown severity. Asterisk Open Source 1.2.26 through 1.2.30.3 and Business Edition B.2.3.5 through B.2.5.5, when realtime IAX2 users are enabled, allows remote attackers to cause a denial of service (crash) via authentication attempts involving (1) an unknown user or (2) a user using hostname matching.. EPSS estimates a 1.96% chance of exploitation in the next 30 days.

Description

Asterisk Open Source 1.2.26 through 1.2.30.3 and Business Edition B.2.3.5 through B.2.5.5, when realtime IAX2 users are enabled, allows remote attackers to cause a denial of service (crash) via authentication attempts involving (1) an unknown user or (2) a user using hostname matching.

Metrics

EPSS Probability
1.96%

77.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AsteriskAsterisk Business Editionb.2.3.4
AsteriskAsterisk Business Editionb.2.3.5
AsteriskAsterisk Business Editionb.2.5.0
AsteriskAsterisk Business Editionb.2.5.1
AsteriskAsterisk Business Editionb.2.5.3
AsteriskOpen Source1.2.26
AsteriskOpen Source1.2.26.1
AsteriskOpen Source1.2.26.2
AsteriskOpen Source1.2.27
AsteriskOpen Source1.2.28
AsteriskOpen Source1.2.29
AsteriskOpen Source1.2.30
AsteriskOpen Source1.2.30.2
AsteriskOpen Source1.2.30.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2008-5558?
Asterisk Open Source 1.2.26 through 1.2.30.3 and Business Edition B.2.3.5 through B.2.5.5, when realtime IAX2 users are enabled, allows remote attackers to cause a denial of service (crash) via authentication attempts involving (1) an unknown user or (2) a user using hostname matching.
How severe is CVE-2008-5558?
Severity scoring for CVE-2008-5558 is pending analysis. The EPSS model estimates a 1.96% probability of exploitation in the next 30 days.
How do I fix CVE-2008-5558?
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