CVE-2022-47517

Public Exploit

Description

An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that causes a url_canonize2 heap-based buffer over-read because of an off-by-one error.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.28%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/drachtio/drachtio-server/issues/243 third party advisory exploit
https://github.com/davehorton/sofia-sip/commit/22c1bd191f0acbf11f0c0fbea1845d9bf9dcd47e third party advisory patch
https://github.com/davehorton/sofia-sip/commit/bfc79d85c8f3a4798a3305fb98f5a11c11d0d29f third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2022-47517?
CVE-2022-47517 has been scored as a high severity vulnerability.
How to fix CVE-2022-47517?
To fix CVE-2022-47517, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-47517 being actively exploited in the wild?
It is possible that CVE-2022-47517 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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