Marvin side channel attack in Crypto++



Published: 2023-12-21
Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2023-50979
CWE-ID CWE-310
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Crypto++
Universal components / Libraries / Libraries used by multiple products

Vendor cryptopp.com

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Cryptographic issues

EUVDB-ID: #VU84652

Risk: Medium

CVSSv3.1: 6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-50979

CWE-ID: CWE-310 - Cryptographic Issues

Exploit availability: No

Description

The vulnerability allows a remote attacker to decrypt information.

The vulnerability exists due to an error during decryption with PKCS#1 v1.5 padding. A remote attacker can perform Marvin side channel attack.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Crypto++: 5.0 - 8.9.0

External links

http://github.com/weidai11/cryptopp/issues/1247


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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