CVE-2022-31001 — Sofia-SIP is an open-source Session Initiation Protocol (SIP) User-Agent library
Sofia-SIP is an open-source Session Initiation Protocol (SIP) User-Agent library. Prior to version 1.13.8, an attacker can send a message with evil sdp to FreeSWITCH, which may cause crash. This type of crash may be caused by `#define MATCH(s, m) (strncmp(s, m, n = sizeof(m) - 1)
Published
2022-05-31T00:00:00.000Z
Last modified
2024-08-03T07:03:40.212Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
01What is this vulnerability?
Sofia-SIP is an open-source Session Initiation Protocol (SIP) User-Agent library. Prior to version 1.13.8, an attacker can send a message with evil sdp to FreeSWITCH, which may cause crash. This type of crash may be caused by `#define MATCH(s, m) (strncmp(s, m, n = sizeof(m) - 1) == 0)`, which will make `n` bigger and trigger out-of-bound access when `IS_NON_WS(s[n])`. Version 1.13.8 contains a…
02Affected products
| Vendor | Product | Versions |
|---|
| freeswitch | sofia | sip — < 1.13.8 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2022-05-31T00:00:00.000Z
- Last modified: 2024-08-03T07:03:40.212Z
09References
- github.com — https://github.com/freeswitch/sofia-sip/security/advisories/GHSA-79jq-hh82-cv9g
- github.com — https://github.com/freeswitch/sofia-sip/commit/a99804b336d0e16d26ab7119d56184d2d…
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2022/09/msg00001.html
- security.gentoo.org — https://security.gentoo.org/glsa/202210-18
- www.debian.org — https://www.debian.org/security/2023/dsa-5410
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