#VU66482 Use of a broken or risky cryptographic algorithm in Botan - CVE-2021-40529 

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Main Vulnerability Database Vulnerabilities #VU66482

#VU66482 Use of a broken or risky cryptographic algorithm in Botan - CVE-2021-40529

Published: August 15, 2022


Vulnerability identifier: #VU66482
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-40529
CWE-ID: CWE-327
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Botan
Software vendor:
Randombit

Description

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

The vulnerability exists due to incorrect ElGamal implementation in Botan, which allows plaintext recovery. A remote attacker can perform a cross-configuration attack against OpenPGP and recover encrypted data.


Remediation

Install updates from vendor's website.

External links