Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in DrayTek Corp. products - CVE-2024-41594

 

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in DrayTek Corp. products - CVE-2024-41594

Published: October 3, 2024


Vulnerability identifier: #VU97983
CSH Severity: Medium
CVSS v4.0: 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-2024-41594
CWE-ID: CWE-338
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: DrayTek Corp.
Affected software:
Vigor 1000B
Vigor 2962
Vigor 3910
Vigor 3912
Vigor 165
Vigor 166
Vigor 2135
Vigor 2763
Vigor 2765
Vigor 2766
Vigor 2865
Vigor 2866
Vigor 2915
Vigor 2620
Vigor LTE200
Vigor 2133
Vigor 2762
Vigor 2860
Vigor 2925
Vigor 2862
Vigor 2926
Vigor 2952
Vigor 3220
Vigor 2832

Detailed vulnerability description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to software uses a static string to seed the PRNG in OpenSSL for TLS. A remote attacker can perform MitM attack.


How to mitigate CVE-2024-41594

Install updates from vendor's website.

Sources