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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.2516 USN-5433-1: Vim vulnerabilities 24 May 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Vim Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2022-1154 CVE-2022-0318 CVE-2022-0261 CVE-2021-4192 CVE-2021-4069 CVE-2021-4019 CVE-2021-3984 CVE-2021-3974 CVE-2021-3973 Original Bulletin: https://ubuntu.com/security/notices/USN-5433-1 Comment: CVSS (Max): 9.8 CVE-2022-1154 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) CVSS Source: NVD Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5433-1: Vim vulnerabilities 23 May 2022 Several security issues were fixed in Vim. Releases o Ubuntu 16.04 ESM Packages o vim - Vi IMproved - enhanced vi editor 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 ) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 o vim - 2:7.4.1689-3ubuntu1.5+esm4 Available with UA Infra or UA Desktop In general, a standard system update will make all the necessary changes. References o CVE-2022-0261 o CVE-2021-3974 o CVE-2021-3973 o CVE-2021-4069 o CVE-2021-4019 o CVE-2022-0318 o CVE-2022-1154 o CVE-2021-3984 o CVE-2021-4192 Related notices o USN-5247-1 : vim-gtk, vim-gui-common, vim-nox, vim-doc, vim-runtime, vim-gnome, vim, vim-tiny, xxd, vim-gtk3, vim-athena, vim-common - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBYowUgskNZI30y1K9AQgWahAAgIvsMfL/oXFoOWFc4Da7c7oM8+khON0h oD/qlxOqO1RwkPP1iSbkfrnao/e/5VPZ4C/1PMdjelzSQ8GuA9Ytlg0qBSWmVCEI 3d6K87kqv8M9hBvYSjMUsodweYJIxMXweIeRVUhAn3zz/WYxyabPp2Z8dle1oD5A E9Hk9VoW0megby0hszKYKOiF5W/4nTETvsd/iAV4rpxhBYPYtnc6RqHnNmJKkDtS RrizvitRZhhq9/9EspJWuY1TAk6eb7pryPld9NarcGRySUOusxWiZgEichRBatTC XCG5ueXBC6i6eJz2xpKPZF5olhX9uwyrciuWcke0vZV02UMt7YnftkKQHmgc9HDU rviJySNvY25vdArO6NTT9bvxD8wBe9fBFqjGRFy8VQ3ZK7uRmYH0R7vIaGvrArdV BH1V7n1XRxX/KRQb/m3k338ryFBjPVIU7QITPsJAkQOdjXqcdxK3fAzF/W1ywU/i hmdtjJwOkv4kSwos/+1Rl3CS953GQBolM+1XyAgI8aDDzRDFE5jedD0UbKQbeqSU LKVsb868c7BQ1DQ/Ljv5yAI+W5pS0vnu+IaR7dr1U4hmGAL6OshodSDHW9WIUq2W D/8Rny8+f9J8IzY1yJj5YUwn+2VqAdaH4noq6rf8iShGWQXRyAssr5JO69w4ETCH fsUJjeXQzmw= =7K/f -----END PGP SIGNATURE-----