Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2023-46246: Vim is an improved version of the good old UNIX editor Vi. Heap-use-after-free in memory allocated in the function `ga_grow_inner` in in the file `src/alloc.c` at line 748, which is freed in the file `src/ex_docmd.c` in the function `do_cmdline` at line 1010 and then used again in `src/cmdhist.c` at line 759. When using the `:history` command, it's possible that the provided argument overflows the accepted value. Causing an Integer Overflow and potentially later an use-after-free. This vulnerability has been patched in version 9.0.2068.
Fixed packages 8
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | vim-common | 2:9.0.2081-1.amzn2.0.1 |
| Amazon Linux · 2 | vim-data | 2:9.0.2081-1.amzn2.0.1 |
| Amazon Linux · 2 | vim-debuginfo | 2:9.0.2081-1.amzn2.0.1 |
| Amazon Linux · 2 | vim-enhanced | 2:9.0.2081-1.amzn2.0.1 |
| Amazon Linux · 2 | vim-filesystem | 2:9.0.2081-1.amzn2.0.1 |
| Amazon Linux · 2 | vim-minimal | 2:9.0.2081-1.amzn2.0.1 |
| Amazon Linux · 2 | vim-X11 | 2:9.0.2081-1.amzn2.0.1 |
| Amazon Linux · 2 | xxd | 2:9.0.2081-1.amzn2.0.1 |
Vulnerabilities 1
-
Medium 4.0
Integer Overflow in :history command in Vim
Vim is an improved version of the good old UNIX editor Vi. Heap-use-after-free in memory allocated in the function `ga_grow_inner` in in the file `src/alloc.c` at line 748, which is freed in the file `src/ex_docmd.c` in the function `do_cmdline` at line 1010 …
References
-
web
https://alas.aws.amazon.com/cve/html/CVE-2023-46246.html