VulnerabilityModified
CVE-2022-47516
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.
HIGH 7.5EPSS 1.65%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.65% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-617
- Affected
- drachtio/drachtio-server
- Source
- cve@mitre.org
References
- https://github.com/davehorton/sofia-sip/commit/13b2a135287caa2d67ac6cd5155626821e25b377Patch, Third Party Advisory
- https://github.com/drachtio/drachtio-server/issues/244Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/02/msg00028.html
- https://www.debian.org/security/2023/dsa-5410
- https://github.com/davehorton/sofia-sip/commit/13b2a135287caa2d67ac6cd5155626821e25b377Patch, Third Party Advisory
- https://github.com/drachtio/drachtio-server/issues/244Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/02/msg00028.html
- https://www.debian.org/security/2023/dsa-5410
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.