CVE-2022-26320

CRITICAL

Rambus SafeZone Basic Crypto Module <10.4.0 - Info Disclosure

Title source: llm

Description

The Rambus SafeZone Basic Crypto Module before 10.4.0, as used in certain Fujifilm (formerly Fuji Xerox) devices before 2022-03-01, Canon imagePROGRAF and imageRUNNER devices through 2022-03-14, and potentially many other devices, generates RSA keys that can be broken with Fermat's factorization method. This allows efficient calculation of private RSA keys from the public key of a TLS certificate.

References (6)

[Various Sources] https://web.archive.org/web/20220922042721/https://safezoneswupdate.com/

[Various Sources] https://www.rambus.com/security/response-center/advisories/rmbs-2021-01/

[Third Party Advisory] https://fermatattack.secvuln.info

[Third Party Advisory] https://global.canon/en/support/security/index.html

[Mitigation, Third Party Advisory] https://www.fujifilm.com/fbglobal/eng/company/news/notice/2022/0302_rsakey_announce.html

[Various Sources] https://safezoneswupdate.com

Scores

CVSS v3 9.1

EPSS 0.0038

EPSS Percentile 59.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

CWE

CWE-330

Status published

Products (50)

canon/imageprograf_firmware < 2020-03-14

canon/imagerunner_firmware < 2020-03-14

fujifilm/apeos_c3070_firmware < 1.1.7

fujifilm/apeos_c3070_g_firmware < 1.1.7

fujifilm/apeos_c325_dw_firmware < 202112062053

fujifilm/apeos_c325_z_firmware < 202112062053

fujifilm/apeos_c328_df_firmware < 202112062053

fujifilm/apeos_c328_dw_firmware < 202112062053

fujifilm/apeos_c3570_firmware < 1.1.7

fujifilm/apeos_c3570_g_firmware < 1.1.7

... and 40 more

Published Mar 14, 2022

Tracked Since Feb 18, 2026