The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5438 advisory.

    A flaw was found in Asterisk, an Open Source Private Branch Exchange. A buffer overflow vulnerability     affects users that use PJSIP DNS resolver. This vulnerability is related to CVE-2022-24793. The difference     is that this issue is in parsing the query record `parse_query()`, while the issue in CVE-2022-24793 is in     `parse_rr()`. A workaround is to disable DNS resolution in PJSIP config (by setting `nameserver_count` to     zero) or use an external resolver implementation instead. For the oldstable distribution (bullseye), this     problem has been fixed in version 1:16.28.0~dfsg-0+deb11u3. We recommend that you upgrade your asterisk     packages. For the detailed security status of asterisk please refer to its security tracker page at:
    https://security-tracker.debian.org/tracker/asterisk

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

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Debian DSA-5438-1 : asterisk - security update

high Nessus Plugin ID 177573

Version 1.1

Version 1.0

Version 1.1 Jan 24, 2025, 9:25 PM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Plugin metadata Plugin Feed: 202501242125
Version 1.0 Jun 23, 2023, 6:06 PM New Plugin Feed: 202306231806