Bug 2237315 (CVE-2023-4733) - CVE-2023-4733 vim: use-after-free in function buflist_altfpos
Summary: CVE-2023-4733 vim: use-after-free in function buflist_altfpos
Keywords:
Status: NEW
Alias: CVE-2023-4733
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2237363
Blocks: 2237310
TreeView+ depends on / blocked
 
Reported: 2023-09-04 18:21 UTC by Patrick Del Bello
Modified: 2023-09-05 13:08 UTC (History)
0 users

Fixed In Version: vim 9.0.1840
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in Vim, where it is vulnerable to a use-after-free in the buflist_altfpos function. This flaw allows a specially crafted file to crash software, use unexpected values, or possibly execute code when opened in Vim.
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description Patrick Del Bello 2023-09-04 18:21:03 UTC 
Use After Free in GitHub repository vim/vim prior to 9.0.1840.

https://huntr.dev/bounties/1ce1fd8c-050a-4373-8004-b35b61590217
https://github.com/vim/vim/commit/e1dc9a627536304bc4f738c21e909ad9fcf3974c
Comment 2 Sandipan Roy 2023-09-05 05:01:45 UTC 
Red Hat Product Security has rated this issue as having a Low security impact, because the "victim" has to run an untrusted file IN SCRIPT MODE. Someone who is running untrusted files in script mode is equivalent to someone just taking a random python script and running it.
Comment 3 Marian Rehak 2023-09-05 06:14:19 UTC 
Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2237363]
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