USN-5433-1

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USN-5433-1

Summary: vim vulnerabilities

Details: It was discovered that Vim incorrectly handled parsing of filenames in its search functionality. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service. (CVE-2021-3973) It was discovered that Vim incorrectly handled memory when opening and searching the contents of certain files. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges. (CVE-2021-3974) It was discovered that Vim incorrectly handled memory when opening and editing certain files. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges. (CVE-2021-3984, CVE-2021-4019, CVE-2021-4069) It was discovered that Vim was using freed memory when dealing with regular expressions inside a visual selection. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges. (CVE-2021-4192) It was discovered that Vim was incorrectly performing read and write operations when in visual block mode, going beyond the end of a line and causing a heap buffer overflow. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges. (CVE-2022-0261, CVE-2022-0318) It was discovered that Vim was using freed memory when dealing with regular expressions through its old regular expression engine. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges. (CVE-2022-1154)

References: https://ubuntu.com/security/notices/USN-5433-1, https://ubuntu.com/security/CVE-2021-3973, https://ubuntu.com/security/CVE-2021-3974, https://ubuntu.com/security/CVE-2021-3984, https://ubuntu.com/security/CVE-2021-4019, https://ubuntu.com/security/CVE-2021-4069, https://ubuntu.com/security/CVE-2021-4192, https://ubuntu.com/security/CVE-2022-0261, https://ubuntu.com/security/CVE-2022-0318, https://ubuntu.com/security/CVE-2022-1154