Bug 2044607 (CVE-2022-0261) - CVE-2022-0261 vim: Heap-based buffer overflow in block_insert() in src/ops.c
Summary: CVE-2022-0261 vim: Heap-based buffer overflow in block_insert() in src/ops.c
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2022-0261
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2044636 2044608 2045020 2045021 2046116 2046117
Blocks: 2044609
TreeView+ depends on / blocked
 
Reported: 2022-01-24 19:58 UTC by Pedro Sampaio
Modified: 2022-05-17 09:51 UTC (History)
18 users (show)

Fixed In Version: vim 8.2.4219
Doc Type: If docs needed, set a value
Doc Text:
A heap based out-of-bounds write flaw was found in vim's ops.c. This flaw allows an attacker to trick a user to open a crafted file triggering an out-of-bounds write. This vulnerability is capable of crashing software, modify memory, and possible code execution.
Clone Of:
Environment:
Last Closed: 2022-03-15 15:47:32 UTC


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2022:0894 0 None None None 2022-03-15 10:20:55 UTC

Description Pedro Sampaio 2022-01-24 19:58:55 UTC
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 8.2.

Reference:

https://github.com/vim/vim/commit/9f8c304c8a390ade133bac29963dc8e56ab14cbc
https://huntr.dev/bounties/fa795954-8775-4f23-98c6-d4d4d3fe8a82

Comment 1 Pedro Sampaio 2022-01-24 19:59:20 UTC
Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2044608]

Comment 2 juneau 2022-01-24 21:07:38 UTC
Marked services affected/defer. Affected code is present, however impact is low and actual occurrence of flaw is unlikely at best.

Comment 3 juneau 2022-01-24 21:11:00 UTC
Correction to above: s/defer/delegated/

Comment 11 errata-xmlrpc 2022-03-15 10:20:52 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2022:0894 https://access.redhat.com/errata/RHSA-2022:0894

Comment 12 Product Security DevOps Team 2022-03-15 15:47:28 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-0261


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