171 matches found
Envoy 安全漏洞
Envoy is an open source distributed proxy server. A security vulnerability exists in Envoy versions prior to 1.30.1, 1.29.4, 1.28.3, and 1.27.5, which stems from a request with a host/:authority header greater than 255 characters in length that can cause the Envoy process to terminate abnormally...
CVE-2023-28807 Bypass of ZIA domain fronting detection module through evasion technique
In Zscaler Internet Access ZIA a mismatch between Connect Host and Client Hello's Server Name Indication SNI enables attackers to evade network security controls by hiding their communications within legitimate traffic...
Zscaler Internet Access 安全漏洞
Zscaler Internet Access is a cloud-native Security Service Edge SSE solution from Zscaler. Zscaler Internet Access suffers from a security vulnerability that stems from a mismatch between server name indications, which allows an attacker to hide their communications from legitimate traffic to eva...
netty: SniHandler 16MB allocation leads to OOM
A flaw was found in Netty's SniHandler while navigating TLS handshake which may permit a large heap allocation if the handler did not have a timeout configured. This issue may allow an attacker to send a client hello packet which would cause the server to buffer large amounts of data per...
netty: SniHandler 16MB allocation leads to OOM
A flaw was found in Netty's SniHandler while navigating TLS handshake which may permit a large heap allocation if the handler did not have a timeout configured. This issue may allow an attacker to send a client hello packet which would cause the server to buffer large amounts of data per...
USN-6148-1 sniproxy vulnerability
It was discovered that SNI Proxy did not properly handle wildcard backend hosts. An attacker could possibly use this issue to cause a buffer overflow, resulting in a denial of service, or arbitrary code execution...
SUSE CVE-2015-5291
Heap-based buffer overflow in PolarSSL 1.x before 1.2.17 and ARM mbed TLS formerly PolarSSL 1.3.x before 1.3.14 and 2.x before 2.1.2 allows remote SSL servers to cause a denial of service client crash and possibly execute arbitrary code via a long hostname to the server name indication SNI...
K20105555: F5 SSL Orchestrator may fail to stop an attacker from exfiltrating data on a compromised client system (SNIcat)
Security Advisory Description An attacker may be able to exfiltrate data from a target system sitting behind F5 SSL Orchestrator by inserting data into the TLS SNI field. This approach assumes that the attacker has already compromised, and is in full control of, the target system to be able to...
Citrix ADC occasionally not sending SNI to backend server in Client Hello
When enabled server side SNI + Common Name on ADC by SSL service configuration or SSL Profile, you may sporadically find ADC not sending SNI to backend server, which may cause backend SSL handshake failure...
lynx: Disclosure of HTTP authentication credentials via SNI data
A flaw was found in the way lynx parsed URLs with userinfo part containing authentication credentials. These credentials were included in the Server Name Indication SNI TLS extension data and sent unencrypted during the TLS connection handshake. This could lead to exposure of authentication...
CVE-2022-20805
A vulnerability in the automatic decryption process in Cisco Umbrella Secure Web Gateway SWG could allow an authenticated, adjacent attacker to bypass the SSL decryption and content filtering policies on an affected system. This vulnerability is due to how the decryption function uses the TLS Sev...
The vulnerability of FortiOS operating systems, related to the lack of protection for service data, allows attackers to gain unauthorized access to protected information.
The vulnerability of the FortiOS operating systems is related to the lack of protection for service data. Exploiting this vulnerability allows a malicious actor, operating remotely, to gain unauthorized access to protected information by sending a specially crafted Client Hello message in TLS SNI...
CVE-2020-15936
A improper input validation in Fortinet FortiGate version 6.4.3 and below, version 6.2.5 and below, version 6.0.11 and below, version 5.6.13 and below allows attacker to disclose sensitive information via SNI Client Hello TLS packets...
The vulnerability of the userinfo sub-component in the Lynx text-based web browser lies in the insufficient protection of registration data, allowing attackers to access confidential information.
The vulnerability of the userinfo sub-component in the Lynx text-based web browser is related to the disclosure of credentials via SNI. Exploiting this vulnerability could allow an attacker, operating remotely, to gain access to confidential data...
CVE-2021-34749
A vulnerability in Server Name Identification SNI request filtering of Cisco Web Security Appliance WSA, Cisco Firepower Threat Defense FTD, and the Snort detection engine could allow an unauthenticated, remote attacker to bypass filtering technology on an affected device and exfiltrate data from...
CVE-2021-34749
A vulnerability in Server Name Identification SNI request filtering of Cisco Web Security Appliance WSA, Cisco Firepower Threat Defense FTD, and the Snort detection engine could allow an unauthenticated, remote attacker to bypass filtering technology on an affected device and exfiltrate data from...
PT-2021-3823 · Cisco · Snort +2
Name of the Vulnerable Software and Affected Versions: Cisco Web Security Appliance affected versions not specified Cisco Firepower Threat Defense affected versions not specified Snort detection engine affected versions not specified Description: A vulnerability in Server Name Identification SNI...
Cisco Firepower Threat Defense 信息泄露漏洞
Cisco Firepower Threat Defense FTD is a suite of unified software from Cisco that provides next-generation firewall services. An information disclosure vulnerability exists in several Cisco products that stems from insufficient filtering of the SSL handshake.A Server Name Identification SNI reque...