USN-5613-1

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USN-5613-1

Summary: vim vulnerabilities

Details: It was discovered that Vim was not properly performing bounds checks when executing spell suggestion commands. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-0943) 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. (CVE-2022-1154) It was discovered that Vim was not properly performing checks on name of lambda functions. An attacker could possibly use this issue to cause a denial of service. This issue affected only Ubuntu 22.04 LTS. (CVE-2022-1420) It was discovered that Vim was incorrectly performing bounds checks when processing invalid commands with composing characters in Ex mode. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-1616) It was discovered that Vim was not properly processing latin1 data when issuing Ex commands. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-1619) It was discovered that Vim was not properly performing memory management when dealing with invalid regular expression patterns in buffers. An attacker could possibly use this issue to cause a denial of service. (CVE-2022-1620) It was discovered that Vim was not properly processing invalid bytes when performing spell check operations. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-1621)

References: https://ubuntu.com/security/notices/USN-5613-1, https://ubuntu.com/security/CVE-2022-0943, https://ubuntu.com/security/CVE-2022-1154, https://ubuntu.com/security/CVE-2022-1420, https://ubuntu.com/security/CVE-2022-1616, https://ubuntu.com/security/CVE-2022-1619, https://ubuntu.com/security/CVE-2022-1620, https://ubuntu.com/security/CVE-2022-1621