#ubuntu

Ubuntu Security Notice 5902-1 - It was discovered that PHP incorrectly handled certain invalid Blowfish password hashes. An invalid password hash could possibly allow applications to accept any password as valid, contrary to expectations. It was discovered that PHP incorrectly handled resolving long paths. A remote attacker could possibly use this issue to obtain or modify sensitive information. It was discovered that PHP incorrectly handled a large number of parts in HTTP form uploads. A remote attacker could possibly use this issue to cause PHP to consume resources, leading to a denial of service.

Ubuntu Security Notice 5821-3 - USN-5821-1 fixed a vulnerability in wheel and pip. Unfortunately, it was missing a commit to fix it properly in pip. Sebastian Chnelik discovered that wheel incorrectly handled certain file names when validated against a regex expression. An attacker could possibly use this issue to cause a denial of service.

Ubuntu Security Notice 5899-1 - It was discovered that AWStats did not properly sanitize the content of whois responses in the hostinfo plugin. An attacker could possibly use this issue to conduct cross-site scripting attacks.

Ubuntu Security Notice 5901-1 - Hubert Kario discovered that GnuTLS had a timing side-channel when handling certain RSA messages. A remote attacker could possibly use this issue to recover sensitive information.

Ubuntu Security Notice 5896-1 - It was discovered that Rack was not properly parsing data when processing multipart POST requests. If a user or automated system were tricked into sending a specially crafted multipart POST request to an application using Rack, a remote attacker could possibly use this issue to cause a denial of service. It was discovered that Rack was not properly escaping untrusted data when performing logging operations, which could cause shell escaped sequences to be written to a terminal. If a user or automated system were tricked into sending a specially crafted request to an application using Rack, a remote attacker could possibly use this issue to execute arbitrary code in the machine running the application.

Ubuntu Security Notice 5888-1 - It was discovered that Python incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to execute arbitrary code. Hamza Avvan discovered that Python incorrectly handled certain inputs. If a user or an automated system were tricked into running a specially crafted input, a remote attacker could possibly use this issue to execute arbitrary code.

Ubuntu Security Notice 5890-1 - Qian Chen discovered that Open vSwitch incorrectly handled certain Organization Specific TLVs. A remote attacker could use this issue to cause Open vSwitch to crash, resulting in a denial of service, or possibly execute arbitrary code.

Ubuntu Security Notice 5892-1 - It was discovered that NSS incorrectly handled client authentication without a user certificate in the database. A remote attacker could possibly use this issue to cause a NSS client to crash, resulting in a denial of service. This issue only affected Ubuntu 22.10. Christian Holler discovered that NSS incorrectly handled certain PKCS 12 certificated bundles. A remote attacker could use this issue to cause NSS to crash, leading to a denial of service, or possibly execute arbitrary code.

Ubuntu Security Notice 5893-1 - Several security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.

Ubuntu Security Notice 5891-1 - Harry Sintonen discovered that curl incorrectly handled HSTS support when multiple URLs are requested serially. A remote attacker could possibly use this issue to cause curl to use unencrypted connections. This issue only affected Ubuntu 22.04 LTS, and Ubuntu 22.10. Harry Sintonen discovered that curl incorrectly handled HSTS support when multiple URLs are requested in parallel. A remote attacker could possibly use this issue to cause curl to use unencrypted connections. This issue only affected Ubuntu 22.04 LTS, and Ubuntu 22.10.