PT-2023-23924 · Unknown · Softether Vpn

Lilith >_> · Published 2023-10-12 · Updated 2023-10-18 · CVE-2023-32634

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions SoftEther VPN versions 4.41-9782-beta through 5.01.9674

Description An authentication bypass issue exists in the CiRpcServerThread() functionality. This allows an attacker to perform a local man-in-the-middle attack to trigger the issue.

Recommendations For SoftEther VPN version 4.41-9782-beta, update to a version that fixes the CiRpcServerThread() functionality issue. For SoftEther VPN version 5.01.9674, update to a version that fixes the CiRpcServerThread() functionality issue. As a temporary workaround, consider restricting access to the CiRpcServerThread() functionality until a patch is available.

Exploit

Fix

Weakness Enumeration

CWE-300

Related Identifiers

CVE-2023-32634

Affected Products

Softether Vpn

References · 6

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2023-1755 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-32634 · Security Note
• https://softether.org/9-about/News/904-SEVPN202301 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-32634 · Vendor Advisory
• https://t.me/cibsecurity/72186 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1712542854214513077 · Twitter Post