SoftEther VPN Information Disclosure Vulnerability

SoftEther VPN is an open source, cross-platform, multi-protocol VPN Virtual Private Network application. An information disclosure vulnerability exists in SoftEther VPN versions 4.41-9782-beta and 5.01.9674, which stems from an information disclosure vulnerability in the CtEnumCa function, which...

SoftEther VPN Security Vulnerability

SoftEther VPN is an open source, cross-platform, multi-protocol VPN Virtual Private Network application. A security vulnerability exists in SoftEther VPN versions 4.41-9782-beta and 5.01.9674, which stems from an authentication bypass vulnerability in the CiRpcAccepted function, which can be...

SoftEther VPN vpnserver ConnectionAccept() denial-of-service vulnerability

Talos Vulnerability Report TALOS-2023-1743 SoftEther VPN vpnserver ConnectionAccept denial-of-service vulnerability October 12, 2023 CVE Number CVE-2023-25774 SUMMARY A denial-of-service vulnerability exists in the vpnserver ConnectionAccept functionality of SoftEther VPN 5.02. A set of specially...

SoftEther VPN CtEnumCa() information disclosure vulnerability

Talos Vulnerability Report TALOS-2023-1753 SoftEther VPN CtEnumCa information disclosure vulnerability October 12, 2023 CVE Number CVE-2023-32275 SUMMARY An information disclosure vulnerability exists in the CtEnumCa functionality of SoftEther VPN 4.41-9782-beta and 5.01.9674. Specially crafted...

SoftEther VPN Information Disclosure Vulnerability

SoftEther VPN is an open source cross-platform multi-protocol VPN Virtual Private Network application. An information disclosure vulnerability exists in SoftEther VPN version 5.01.9674, which originates from an information disclosure vulnerability in the ClientConnect function, which can be...

PT-2023-23924 · Unknown · Softether Vpn

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...

SoftEther VPN vpnserver OvsProcessData denial of service vulnerability

Talos Vulnerability Report TALOS-2023-1737 SoftEther VPN vpnserver OvsProcessData denial of service vulnerability October 12, 2023 CVE Number CVE-2023-22308 SUMMARY An integer underflow vulnerability exists in the vpnserver OvsProcessData functionality of SoftEther VPN 5.01.9674 and 5.02. A...

SoftEther VPN vpnserver WpcParsePacket() heap-based buffer overflow vulnerability

Talos Vulnerability Report TALOS-2023-1735 SoftEther VPN vpnserver WpcParsePacket heap-based buffer overflow vulnerability October 12, 2023 CVE Number CVE-2023-27395 SUMMARY A heap-based buffer overflow vulnerability exists in the vpnserver WpcParsePacket functionality of SoftEther VPN...

PT-2023-19058 · Softether · Softether Vpn

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...

SoftEther VPN Resource Management Error Vulnerability

SoftEther VPN is an open source, cross-platform, multi-protocol VPN Virtual Private Network application. A resource management error vulnerability exists in SoftEther VPN version 5.02, which stems from a denial-of-service vulnerability in the vpnserver ConnectionAccept function, which can be...

Guyana Governmental Entity Hit by DinodasRAT in Cyber Espionage Attack

A governmental entity in Guyana has been targeted as part of a cyber espionage campaign dubbed Operation Jacana. The activity, which was detected by ESET in February 2023, entailed a spear-phishing attack that led to the deployment of a hitherto undocumented implant written in C++ called...

The vulnerability of the Dynamic DNS (DDNS) function of the SoftEther VPN client allows a hacker to execute arbitrary code.

The vulnerability of the Dynamic DNS DDNS function in the SoftEther VPN client client involves the possibility of buffer overflow attacks. Exploiting this vulnerability allows a malicious actor to execute arbitrary code by performing a “man-in-the-middle” attack...

Flax Typhoon using legitimate software to quietly access Taiwanese organizations

Summary Microsoft has identified a nation-state activity group tracked as Flax Typhoon, based in China, that is targeting dozens of organizations in Taiwan with the likely intention of performing espionage. Flax Typhoon gains and maintains long-term access to Taiwanese organizations networks with...

Multiple vulnerabilities in SoftEther VPN and PacketiX VPN

Overview SoftEther VPN provided by University of Tsukuba SoftEther VPN Project and PacketiX VPN provided by SoftEther Corporation contain multiple vulnerabilities listed below in VPN Client function, and Dynamic DNS Client function included in the VPN server. Heap-based buffer overflow CWE-122 -...

JVN#64316789: Multiple vulnerabilities in SoftEther VPN and PacketiX VPN

SoftEther VPN provided by University of Tsukuba SoftEther VPN Project and PacketiX VPN provided by SoftEther Corporation contain multiple vulnerabilities listed below in VPN Client function, and Dynamic DNS Client function included in the VPN server. Heap-based buffer overflow CWE-122 -...

PT-2023-8738 · Softether · Softether Vpn

Name of the Vulnerable Software and Affected Versions: SoftEther VPN versions 4.41-9782-beta through 5.02 Description: A denial of service issue exists in the DCRegister functionality of SoftEther VPN, related to the DDNS RPC MAX RECV SIZE. This can be triggered by a specially crafted network...

OSV-2022-709 Heap-buffer-overflow in dissect_softether_host_fqdn

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50105 Crash type: Heap-buffer-overflow READ 10 Crash state: dissectsoftetherhostfqdn ndpisearchsoftether checkndpidetectionfunc...

PT-2022-37182 · Git +1 · Ndpi

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided description. Description: A heap-buffer-overflow READ 10 crash occurred, involving the functions dissect softether host fqdn, ndpi search softether, and check ndpi detection func...

OSV-2022-691 Heap-buffer-overflow in dissect_softether_host_fqdn

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=49901 Crash type: Heap-buffer-overflow READ 1 Crash state: dissectsoftetherhostfqdn ndpisearchsoftether checkndpidetectionfunc...

PT-2022-37172 · Git +1 · Ndpi

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided description. Description: The issue is related to a heap-buffer-overflow read, which was identified through an OSS-Fuzz report. The crash involves several functions, including...