PT-2023-19058 · Softether · Softether Vpn

Lilith >_> · Published 2023-10-12 · Updated 2023-10-18 · CVE-2023-23581

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions SoftEther VPN versions 5.01.9674 through 5.02

Description A denial-of-service issue exists in the vpnserver EnSafeHttpHeaderValueStr functionality. It can be triggered by a specially crafted network packet, leading to denial of service.

Recommendations For versions 5.01.9674 through 5.02, consider disabling the EnSafeHttpHeaderValueStr functionality in the vpnserver as a temporary workaround until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2023-23581

Affected Products

Softether Vpn

References · 6

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2023-1741 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-23581 · Security Note
• https://osv.dev/vulnerability/CVE-2023-23581 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/1712542601264390562 · Twitter Post
• https://t.me/cibsecurity/72193 · Telegram Post
• https://t.me/cvenotify/59653 · Telegram Post