Denial of service in Crypto++



Published: 2023-12-21
Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2023-50981
CWE-ID CWE-835
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) Infinite loop

EUVDB-ID: #VU84653

Risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-50981

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop in ModularSquareRoot. A remote attacker can consume all available system resources and cause denial of service conditions via crafted DER public-key data associated with squared odd numbers, such as the square of 268995137513890432434389773128616504853.

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/1249


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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