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Ubuntu 22.04 LTS: USN-6148-1 Critical: SNI Proxy DoS Risk

SNI Proxy could be made to crash or run programs if it received specially crafted input.. =========================================================================Ubuntu Security Notice USN-6148-1 June 12, 2023 sniproxy vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04 - Ubuntu 22.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS (Available with Ubuntu Pro) Summary: SNI Proxy could be made to crash or run programs if it received specially crafted input. Software Description: - sniproxy: Transparent TLS and HTTP layer 4 proxy with SNI support Details: 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. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04: sniproxy 0.6.0-2ubuntu0.23.04.1 Ubuntu 22.10: sniproxy 0.6.0-2ubuntu0.22.10.1 Ubuntu 22.04 LTS: sniproxy 0.6.0-2ubuntu0.22.04.1 Ubuntu 20.04 LTS: sniproxy 0.6.0-1ubuntu0.1 Ubuntu 18.04 LTS (Available with Ubuntu Pro): sniproxy 0.5.0-2ubuntu0.1~esm1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6148-1 CVE-2023-25076 Package Information: https://launchpad.net/ubuntu/+source/sniproxy/0.6.0-2ubuntu0.23.04.1 https://launchpad.net/ubuntu/+source/sniproxy/0.6.0-2ubuntu0.22.10.1 https://launchpad.net/ubuntu/+source/sniproxy/0.6.0-2ubuntu0.22.04.1 https://launchpad.net/ubuntu/+source/sniproxy/0.6.0-1ubuntu0.1 . SNI Proxy flaw could cause system failures or unauthorized program activation on Ubuntu, with timely patches available for every iteration.. SNI Proxy, Denial of Service,Security Notice, Ubuntu Updates, Buffer Overflow. . Severity: Critical. LinuxSecurity.com Team

Jun 12, 2023 •Critical Ubuntu