Improper Check or Handling of Exceptional Conditions in Sweet B - CVE-2022-23004

 

Improper Check or Handling of Exceptional Conditions in Sweet B - CVE-2022-23004

Published: August 3, 2022


Vulnerability identifier: #VU65997
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-23004
CWE-ID: CWE-703
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Western Digital
Affected software:
Sweet B

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists when computing a shared secret or point multiplication on the NIST P-256 curve using a public key with an X coordinate of zero, an error is returned from the library, and an invalid unreduced value is written to the output buffer. A remote attacker can perform a denial of service (DoS) attack.


How to mitigate CVE-2022-23004

Install updates from vendor's website.

Sources