Ubuntu Security Notice 6379-1 - It was discovered that vsftpd was vulnerable to the ALPACA TLS protocol content confusion attack. A remote attacker could possibly use this issue to redirect traffic from one subdomain to another.
3ec337592d9de67a51c351c587dbe4bfd0d6550f628bb4c9f314b9743bd3641eUbuntu Security Notice 5371-3 - USN-5371-1 and USN-5371-2 fixed several vulnerabilities in nginx. This update provides the corresponding update for CVE-2020-11724 for Ubuntu 16.04 ESM. It was discovered that nginx Lua module mishandled certain inputs. An attacker could possibly use this issue to perform an HTTP Request Smuggling attack. This issue was fixed for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. It was discovered that nginx Lua module mishandled certain inputs. An attacker could possibly use this issue to disclose sensitive information. This issue only affects Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. It was discovered that nginx mishandled the use of compatible certificates among multiple encryption protocols. If a remote attacker were able to intercept the communication, this issue could be used to redirect traffic between subdomains.
172bbfa6d06525617f861427837c834d50db4e0869fba08cb19ab97e37f938d0Ubuntu Security Notice 5371-2 - USN-5371-1 fixed several vulnerabilities in nginx. This update provides the fix for CVE-2021-3618 for Ubuntu 22.04 LTS. It was discovered that nginx Lua module mishandled certain inputs. An attacker could possibly use this issue to perform an HTTP Request Smuggling attack. This issue only affects Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
0312d8395edc75623bc232eb22c356f06f0f1ab5ad2bd86ce88f5fc4a29fe7c0Ubuntu Security Notice 5371-1 - It was discovered that nginx Lua module mishandled certain inputs. An attacker could possibly use this issue to perform an HTTP Request Smuggling attack. This issue only affects Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. It was discovered that nginx Lua module mishandled certain inputs. An attacker could possibly use this issue to disclose sensitive information. This issue only affects Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
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