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Ubuntu Security Notice USN-4448-1
Posted Aug 5, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4448-1 - It was discovered that Tomcat incorrectly validated the payload length in a WebSocket frame. A remote attacker could possibly use this issue to cause Tomcat to hang, resulting in a denial of service. It was discovered that Tomcat incorrectly handled HTTP header parsing. In certain environments where Tomcat is located behind a reverse proxy, a remote attacker could possibly use this issue to perform HTTP Request Smuggling. Various other issues were also addressed.

tags | advisory, remote, web, denial of service
systems | linux, ubuntu
advisories | CVE-2020-13935, CVE-2020-1935, CVE-2020-9484
SHA-256 | 724049f922fdcaed76bab946a48ccfcb9b0e1d275e3effd77f8cf41f47d39f4a

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