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Public proof of conceptFix available

CVE-2022-47516

A public proof of concept exists; no exploitation attested.

  • Published2022-12-18
  • Fixed in0.8.20
  • WeaknessCWE-617

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.20. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that leads to a failure of the libsofia-sip-ua/tport/tport.c self assertion.

Timeline

dates in UTC
  1. 2022-12-1805:15CVE publishedNVD

Versions per branch

NVD
Drachtio drachtio-server
BranchAffectedFixed in
0.8< 0.8.200.8.20

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • sofia-sipUbuntu:Pro:16.04:LTSall versions · fixed in 1.12.11+20110422.1-2.1+deb10u3ubuntu0.16.04.1~esm1
  • sofia-sipUbuntu:22.04:LTSall versions · fixed in 1.12.11+20110422.1-2.1+deb10u3ubuntu0.22.04.1
  • sofia-sipUbuntu:20.04:LTSall versions · fixed in 1.12.11+20110422.1-2.1+deb10u3ubuntu0.20.04.1
  • sofia-sipUbuntu:18.04:LTSall versions · fixed in 1.12.11+20110422.1-2.1+deb10u3build0.18.04.1
  • sofia-sipopenEuler:24.03-LTS-SP3all versions · fixed in 1.13.12-2.oe2403sp3
  • sofia-sipopenEuler:24.03-LTS-SP1all versions · fixed in 1.13.12-2.oe2403sp1
  • sofia-sipMageia:8all versions · fixed in 1.12.11-10.3.mga8
  • sofia-sipDebian:14all versions · fixed in 1.12.11+20110422.1+1e14eea~dfsg-5

4 more package ranges on OSV.dev

Vendor advisories

  • CVE-2022-47516 Red Hat Product Security

    sofia-sip: remote DoS via crafted UDP message

Full record on NVD

Fix

  1. Update Drachtio drachtio-server to 0.8.20

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

  • EUVD-2022-50277same flawENISA EUVD · LicenseRef-ENISA-legal-notice
  • GHSA-w32h-m3r8-mq4csame flawGitHub Advisory Database · CC-BY-4.0
  • DLA-3334-1advisory covering several CVEsDebian · LicenseRef-unstated
  • DSA-5410-1advisory covering several CVEsDebian · LicenseRef-unstated
  • MGASA-2023-0072advisory covering several CVEsMageia · LicenseRef-unstated
  • OESA-2026-2682advisory covering several CVEsopenEuler · LicenseRef-unstated
  • OESA-2026-2683advisory covering several CVEsopenEuler · LicenseRef-unstated
  • USN-5932-1advisory covering several CVEsUbuntu

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2022-12-18
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-w32h-m3r8-mq4c

Frequently asked questions

What is CVE-2022-47516?

An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.20. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that leads to a failure of the libsofia-sip-ua/tport/tport.c self assertion.

Is CVE-2022-47516 actively exploited?

A proof-of-concept exploit exists for CVE-2022-47516, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2022-47516?

CVE-2022-47516 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record