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Synopsis The remote device is missing a vendor-supplied security patch Description A denial of service (DoS) vulnerability exists in Secure Sockets Layer (SSL) VPN feature of Cisco Adaptive Security Appliance (ASA) Software due to incorrect handling of Base64-encoded strings. A vulnerability in the Secure Sockets Layer (SSL) VPN feature for Cisco Small Business RV VPN Routers could allow an unauthenticated, remote attacker to cause the device to unexpectedly restart, causing a denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. To be vulnerable the affected device must have Secure Socket Layer (SSL) services or IKEv2 Remote Access VPN services enabled on an interface. Regardless of the features, you can use the show asp table socket command and look for an SSL or a DTLS listen socket on any TCP port, as shown below: If a socket exists, you are vulnerable. Oct 16, 2013 · Successful exploitation of the AnyConnect SSL VPN Memory Exhaustion Denial of Service Vulnerability may exhaust available memory, which could result in general system instability and cause the affected system to become unresponsive and stop forwarding traffic. A vulnerability in the remote access VPN session manager of Cisco Adaptive Security Appliance (ASA) Software could allow a unauthenticated, remote attacker to cause a denial of service (DoS) condition on the remote access VPN services. The vulnerability is due to an issue with the remote access VPN session manager. Jun 28, 2018 · In a blog in Polish, he describes how to use the flaw to reveal a catalog of sessions from Cisco's SSL VPN service login web interface. This catalog can reveal the IDs of logged-in users, which
A vulnerability in the Secure Sockets Layer (SSL) VPN feature of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated remote attacker to cause a denial of service (DoS) condition that prevents the creation of new SSL/Transport Layer Security (TLS) connections to an affected device.
Oct 16, 2013 · Successful exploitation of the AnyConnect SSL VPN Memory Exhaustion Denial of Service Vulnerability may exhaust available memory, which could result in general system instability and cause the affected system to become unresponsive and stop forwarding traffic.
A vulnerability in the Secure Sockets Layer (SSL) VPN feature of Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device or cause the device to reload, resulting in a denial of service (DoS) condition.
A vulnerability in the Secure Sockets Layer (SSL) VPN feature of Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device or cause the device to reload, resulting in a denial of service (DoS) condition. Synopsis The remote device is missing a vendor-supplied security patch Description A denial of service (DoS) vulnerability exists in Secure Sockets Layer (SSL) VPN feature of Cisco Adaptive Security Appliance (ASA) Software due to incorrect handling of Base64-encoded strings. A vulnerability in the Secure Sockets Layer (SSL) VPN feature for Cisco Small Business RV VPN Routers could allow an unauthenticated, remote attacker to cause the device to unexpectedly restart, causing a denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. To be vulnerable the affected device must have Secure Socket Layer (SSL) services or IKEv2 Remote Access VPN services enabled on an interface. Regardless of the features, you can use the show asp table socket command and look for an SSL or a DTLS listen socket on any TCP port, as shown below: If a socket exists, you are vulnerable. Oct 16, 2013 · Successful exploitation of the AnyConnect SSL VPN Memory Exhaustion Denial of Service Vulnerability may exhaust available memory, which could result in general system instability and cause the affected system to become unresponsive and stop forwarding traffic.