Denial of service in OpenSSL

1) Resource management error

EUVDB-ID: #VU89624

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-4603

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to improper management of internal resources within the application when checking DSA keys and parameters. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

OpenSSL: 3.0.0 - 3.3.0

CPE2.3

• cpe:2.3:a:openssl_software_foundation:openssl:3.0.13:*:*:*:*:*:*:*
• cpe:2.3:a:openssl_software_foundation:openssl:3.1.5:*:*:*:*:*:*:*
• cpe:2.3:a:openssl_software_foundation:openssl:3.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:openssl_software_foundation:openssl:3.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:openssl_software_foundation:openssl:3.3.0:*:*:*:*:*:*:*

External links

https://www.openssl.org/news/secadv/20240516.txt
https://github.com/openssl/openssl/commit/3559e868e58005d15c6013a0c1fd832e51c73397
https://github.com/openssl/openssl/commit/9c39b3858091c152f52513c066ff2c5a47969f0d
https://github.com/openssl/openssl/commit/da343d0605c826ef197aceedc67e8e04f065f740
https://github.com/openssl/openssl/commit/53ea06486d296b890d565fb971b2764fcd826e7e

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.