Bug 2050182 (CVE-2022-0443) - CVE-2022-0443 vim: heap-use-after-free in enter_buffer() of src/buffer.c
Summary: CVE-2022-0443 vim: heap-use-after-free in enter_buffer() of src/buffer.c
Keywords:
Status: NEW
Alias: CVE-2022-0443
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2050183 2050213
Blocks: 2048522
TreeView+ depends on / blocked
 
Reported: 2022-02-03 12:29 UTC by TEJ RATHI
Modified: 2023-07-07 08:28 UTC (History)
16 users (show)

Fixed In Version: vim 8.2.4286
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in vim. The vulnerability occurs due to using freed memory which results in a use-after-free vulnerability. This flaw allows an attacker to input a specially crafted file, leading to a crash or code execution.
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description TEJ RATHI 2022-02-03 12:29:38 UTC 
Use After Free in Conda vim prior to 8.2.

Reproducer:
https://huntr.dev/bounties/b987c8cb-bbbe-4601-8a6c-54ff907c6b51

Upstream Patch:
https://github.com/vim/vim/commit/9b4a80a66544f2782040b641498754bcb5b8d461
Comment 1 TEJ RATHI 2022-02-03 12:30:05 UTC 
Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2050183]
Comment 2 juneau 2022-02-03 12:52:09 UTC 
Marking Services affected/wontreport.
Have already reported and filed trackers for CVE-2022-0408 and -0413 attached to same task.
Remediation is the same for all, and additional trackers add no value.
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