Medium severity · published Jul 14, 2023
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
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JA
Jami · Savoirfairelinux
20222284 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-3433
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-3433
Third Party Advisory
https://blog.blacklanternsecurity.com/p/Jami-Local-Denial-Of-Service-and-QRC-Handler-Vulnerabilities
Release Notes
https://git.jami.net/savoirfairelinux/jami-client-qt/-/wikis/Changelog#nightly-january-10
Patch
https://review.jami.net/c/jami-daemon/+/23575
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Improper Input Validation in the hyperlink interpretation in Savoir-faire Linux's Jami (version 20222284) on Windows