Marvin side channel attack in Crypto++



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
 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

CVSSv4.0: [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

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

CPE2.3 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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