Improper input validation in Savoir-Faire Linux Jami
CVE-2023-3433
The "nickname" field within Savoir-faire Linux's Jami application is susceptible to a failed state when a user inserts special characters into the field. When present, these special characters, make it so the application cannot create the signature for the user and results in a local denial of service to the application.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.002 (10.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Savoir-Faire Linux Jami — versions 20222284
- Savoirfairelinux Jami — versions 20222284
Weakness classification (CWE)
Public proof-of-concept exploits
References
- review.jami.net/c/jami-daemon/+/23575 (Patch)
- git.jami.net/savoirfairelinux/jami-client-qt/-/wikis/Changelog (Release Notes)
- blog.blacklanternsecurity.com/p/Jami-Local-Denial-Of-Service-and-QRC-Handler-Vu… (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-3433?
- CVE-2023-3433 is a medium-severity vulnerability in Savoir-Faire Linux Jami, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2023-07-14.
- How severe is CVE-2023-3433?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2023-3433 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.