CVE-2023-3434 — Improper Input Validation in the hyperlink interpretation in Savoir-faire Linux'

Improper Input Validation in the hyperlink interpretation in Savoir-faire Linux's Jami (version 20222284) on Windows.

01What is this vulnerability?

Improper Input Validation in the hyperlink interpretation in Savoir-faire Linux's Jami (version 20222284) on Windows.

02Affected products

Vendor	Product	Versions
Savoir-faire Linux	Jami	20222284

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

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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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: 2023-07-14T12:29:34.563Z
• Last modified: 2024-10-22T14:32:14.447Z

09References

• review.jami.net — https://review.jami.net/c/jami-client-qt/+/23569
• git.jami.net — https://git.jami.net/savoirfairelinux/jami-client-qt/-/wikis/Changelog#nightly-j…
• blog.blacklanternsecurity.com — https://blog.blacklanternsecurity.com/p/Jami-Local-Denial-Of-Service-and-QRC-Han…