Use of a broken or risky cryptographic algorithm in Libgcrypt - CVE-2021-40528

 

Use of a broken or risky cryptographic algorithm in Libgcrypt - CVE-2021-40528

Published: September 17, 2021 / Updated: July 20, 2022


Vulnerability identifier: #VU56685
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-40528
CWE-ID: CWE-327
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GNU
Affected software:
Libgcrypt

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to use of a broken or risky cryptographic algorithm in the ElGamal implementation. A remote attacker can gain unauthorized access to sensitive information on the system.


How to mitigate CVE-2021-40528

Install updates from vendor's website.

Sources