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...

CVE-2023-28807

CVE-2023-28807 affects Zscaler Internet Access (ZIA). A mismatch between Connect Host and Client Hello’s Server Name Indication (SNI) can allow an attacker to hide communications within legitimate traffic, enabling evasion of network security controls. The CVE’s NVD entry notes a network attack v...

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...

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...

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...

SUSE CVE-2023-34462

Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. The SniHandler can allocate up to 16MB of heap for each channel during the TLS handshake. When the handler or the channel does not have an idle...

UBUNTU-CVE-2023-34462

Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. The SniHandler can allocate up to 16MB of heap for each channel during the TLS handshake. When the handler or the channel does not have an idle...

PT-2023-4868 · Netty +4 · Netty +4

Name of the Vulnerable Software and Affected Versions: Netty versions prior to 4.1.94.Final Description: The issue is related to the SniHandler class in Netty, which can allocate up to 16MB of heap for each channel during the TLS handshake. This can be exploited to cause a denial of service,...

USN-6148-1: SNI Proxy 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...

Ubuntu 18.04 ESM / 20.04 LTS / 22.04 LTS / 23.04 : SNI Proxy vulnerability (USN-6148-1)

The remote Ubuntu 18.04 ESM / 20.04 LTS / 22.04 LTS / 23.04 host has a package installed that is affected by a vulnerability as referenced in the USN-6148-1 advisory. It was discovered that SNI Proxy did not properly handle wildcard backend hosts. An attacker could possibly use this issue to caus...

Updated snort packages fix security vulnerability

Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured File Policy for HTTP. The vulnerability is due to incorrect detection of modified HTTP packets used in chunked responses. An attacker...

Debian DSA-5354-1 : snort - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5354 advisory. Multiple security vulnerabilities were discovered in snort, a flexible Network Intrusion Detection System, which could allow an unauthenticated, remote attacker t...

SUSE CVE-2013-4508

lighttpd before 1.4.34, when SNI is enabled, configures weak SSL ciphers, which makes it easier for remote attackers to hijack sessions by inserting packets into the client-server data stream or obtain sensitive information by sniffing the network...

SUSE CVE-2018-21029

systemd 239 through 245 accepts any certificate signed by a trusted certificate authority for DNS Over TLS. Server Name Indication SNI is not sent, and there is no hostname validation with the GnuTLS backend. NOTE: This has been disputed by the developer as not a vulnerability since hostname...

SUSE CVE-2021-38165

Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote attackers to discover cleartext credentials because they may appear in SNI data...

Debian dla-3317 : snort - security update

The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3317 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-3317-1 [email protected]...

Updated java packages fix security vulnerability

Class compilation issue. CVE-2022-21540 Improper restriction of MethodHandle.invokeBasic. CVE-2022-21541 Integer truncation issue in Xalan-J. CVE-2022-34169 Improper MultiByte conversion can lead to buffer overflow. CVE-2022-21618 Improper handling of long NTLM client hostnames. CVE-2022-21619...

MGASA-2022-0435 Updated java packages fix security vulnerability

Class compilation issue. CVE-2022-21540 Improper restriction of MethodHandle.invokeBasic. CVE-2022-21541 Integer truncation issue in Xalan-J. CVE-2022-34169 Improper MultiByte conversion can lead to buffer overflow. CVE-2022-21618 Improper handling of long NTLM client hostnames. CVE-2022-21619...