3131 matches found
openvpn -- potential denial-of-service on servers in TCP mode
James Yonan reports: If the TCP server accept call returns an error status, the resulting exception handler may attempt to indirect through a NULL pointer, causing a segfault. Affects all OpenVPN 2.0 versions...
OpenVPN[v2.0.x]: foreign_option() formart string vulnerability.
[email protected]: OpenVPNv2.0.x: foreignoption format string vulnerability. 1. BACKGROUND OpenVPN is a robust and highly configurable VPN Virtual Private Network daemon which can be used to securely link two or more private networks using an encrypted tunnel over the Internet. OpenVPN's principal...
openvpn -- arbitrary code execution on client through malicious or compromised server
James Yonan reports: A format string vulnerability in the foreignoption function in options.c could potentially allow a malicious or compromised server to execute arbitrary code on the client. Only non-Windows clients are affected. The vulnerability only exists if a the client's TLS negotiation...
Debian DSA-851-1 : openvpn - programming errors
Several security related problems have been discovered in openvpn, a Virtual Private Network daemon. The Common Vulnerabilities and Exposures project identifies the following problems : - CAN-2005-2531 Wrong processing of failed certificate authentication when running with 'verb 0' and without TL...
[SECURITY] [DSA 851-1] New openvpn packages fix denial of service
-------------------------------------------------------------------------- Debian Security Advisory DSA 851-1 [email protected] http://www.debian.org/security/ Martin Schulze October 9th, 2005 http://www.debian.org/security/faq -...
[SECURITY] [DSA 851-1] New openvpn packages fix denial of service
-------------------------------------------------------------------------- Debian Security Advisory DSA 851-1 [email protected] http://www.debian.org/security/ Martin Schulze October 9th, 2005 http://www.debian.org/security/faq -...
DSA-851-1 openvpn - denial of service
Bulletin has no description...
Security fix for the ALT Linux 9 package openvpn version 2.0.2-alt1
Aug. 25, 2005 Nikolay A. Fetisov 2.0.2-alt1 - New version 2.0.2: -- Security fix for several DoS attacks: CAN-2005-2531; CAN-2005-2532; CAN-2005-2533; CAN-2005-2534. -- Several minor bug fixes and improvements, see ChangeLog for details - Run in chroot by default...
CVE-2005-2534
Race condition in OpenVPN before 2.0.1, when --duplicate-cn is not enabled, allows remote attackers to cause a denial of service server crash via simultaneous TCP connections from multiple clients that use the same client certificate...
CVE-2005-2534
Race condition in OpenVPN before 2.0.1, when --duplicate-cn is not enabled, allows remote attackers to cause a denial of service server crash via simultaneous TCP connections from multiple clients that use the same client certificate...
CVE-2005-2534
Race condition in OpenVPN before 2.0.1, when --duplicate-cn is not enabled, allows remote attackers to cause a denial of service server crash via simultaneous TCP connections from multiple clients that use the same client certificate...
CVE-2005-2533
OpenVPN before 2.0.1, when running in "dev tap" Ethernet bridging mode, allows remote authenticated clients to cause a denial of service memory exhaustion via a flood of packets with a large number of spoofed MAC addresses...
CVE-2005-2533
OpenVPN before 2.0.1, when running in "dev tap" Ethernet bridging mode, allows remote authenticated clients to cause a denial of service memory exhaustion via a flood of packets with a large number of spoofed MAC addresses...
CVE-2005-2533
OpenVPN before 2.0.1, when running in "dev tap" Ethernet bridging mode, allows remote authenticated clients to cause a denial of service memory exhaustion via a flood of packets with a large number of spoofed MAC addresses...
CVE-2005-2531
OpenVPN before 2.0.1, when running with "verb 0" and without TLS authentication, does not properly flush the OpenSSL error queue when a client fails certificate authentication to the server and causes the error to be processed by the wrong client, which allows remote attackers to cause a denial o...
CVE-2005-2532
OpenVPN before 2.0.1 does not properly flush the OpenSSL error queue when a packet can not be decrypted by the server, which allows remote authenticated attackers to cause a denial of service client disconnection via a large number of packets that can not be decrypted...
CVE-2005-2532
OpenVPN before 2.0.1 does not properly flush the OpenSSL error queue when a packet can not be decrypted by the server, which allows remote authenticated attackers to cause a denial of service client disconnection via a large number of packets that can not be decrypted...
DEBIAN-CVE-2005-2534
Race condition in OpenVPN before 2.0.1, when --duplicate-cn is not enabled, allows remote attackers to cause a denial of service server crash via simultaneous TCP connections from multiple clients that use the same client certificate...
CVE-2005-2533
OpenVPN before 2.0.1, when running in "dev tap" Ethernet bridging mode, allows remote authenticated clients to cause a denial of service memory exhaustion via a flood of packets with a large number of spoofed MAC addresses...
CVE-2005-2531
OpenVPN before 2.0.1, when running with "verb 0" and without TLS authentication, does not properly flush the OpenSSL error queue when a client fails certificate authentication to the server and causes the error to be processed by the wrong client, which allows remote attackers to cause a denial o...