Unchecked Return Value Affecting asterisk package, versions [,18.24.3)[20.0.0,20.9.3)[21.0.0,21.4.3)[,18.9-cert12)[20.7-cert1-rc1,20.7-cert2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-ASTERISK-7922477
- published6 Sept 2024
- disclosed5 Sept 2024
- creditUnknown
Introduced: 5 Sep 2024
CVE-2024-42491 (opens in a new tab)How to fix?
Upgrade asterisk to version 18.24.3, 20.9.3, 21.4.3, 18.9-cert12, 20.7-cert2 or higher.
Overview
Affected versions of this package are vulnerable to Unchecked Return Value through the handling of malformed SIP URIs. An attacker can cause a denial of service by sending a specially crafted SIP request that includes a URI with a malformed host portion.
Note:
Versions in the ranges [,18.9-cert12) and [20.7-cert1-rc1,20.7-cert2) fix asterisk-certified.