MGASA-2021-0481
Dashboard / Vulnerabilities / MGASA-2021-0481
Summary: Updated vim packages fix security vulnerability
Details: CVE-2021-3778: vim: Heap-based Buffer Overflow in utf_ptr2char() Fix: patch 8.2.3409: reading beyond end of line with invalid utf-8 character When vim 8.2 is built with --with-features=huge --enable-gui=none and address sanitizer, a heap-buffer overflow occurs when running: echo "Ywp2XTCqCi4KeQpAMA==" | base64 -d > fuzz000.txt vim -u NONE -X -Z -e -s -S fuzz000.txt -c :qa! CVE-2021-3796: vim: Use After Free in nv_replace() Fix: patch 8.2.3428: using freed memory when replacing When vim 8.2 is built with --with-features=huge --enable-gui=none and address sanitizer, a use-after-free occurs when running: LC_ALL=C vim -U NONE -X -Z -e -s -S poc -c :qa! with the poc file provided.
References: https://advisories.mageia.org/MGASA-2021-0481.html, https://bugs.mageia.org/show_bug.cgi?id=29501, https://github.com/vim/vim/commit/65b605665997fad54ef39a93199e305af2fe4d7f, https://huntr.dev/bounties/d9c17308-2c99-4f9f-a706-f7f72c24c273/, https://github.com/vim/vim/commit/35a9a00afcb20897d462a766793ff45534810dc3, https://huntr.dev/bounties/ab60b7f3-6fb1-4ac2-a4fa-4d592e08008d/, https://ubuntu.com/security/notices/USN-5093-1, https://www.openwall.com/lists/oss-security/2021/10/01/1, https://lists.fedoraproject.org/archives/list/[email protected]/thread/TE62UMYBZE4AE53K6OBBWK32XQ7544QM/
Affected packages
Package
Name: vim
Purl: pkg:rpm/mageia/vim?arch=source&distro=mageia-8
Affected ranges
Type: ECOSYSTEM
Events:
