CVE-2023-43766
Certain WithSecure products allow Local privilege escalation via the lhz archive unpack handler.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Certain WithSecure products allow Local privilege escalation via the lhz archive unpack handler. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithSecure Elements Endpoint Protection 17 and later, WithSecure Client Security for Mac 15, WithSecure Elements Endpoint Protection for Mac 17 and later, Linux Security 64 12.0 , Linux Protection 12.0, and WithSecure Atlant (formerly F-Secure Atlant) 1.0.35-1.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.15% probability · 5th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-269
- Affected
- f-secure/linux protection · f-secure/linux security 64 · f-secure/atlant · f-secure/client security · f-secure/elements endpoint protection · f-secure/email and server security · f-secure/server security
- Source
- cve@mitre.org
References
- https://www.withsecure.com/en/support/security-advisoriesVendor Advisory
- https://www.withsecure.com/en/support/security-advisories/cve-2023-nnn4Broken Link
- https://www.withsecure.com/en/support/security-advisoriesVendor Advisory
- https://www.withsecure.com/en/support/security-advisories/cve-2023-nnn4Broken Link
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.