Bug 2091682 (CVE-2022-1897) - CVE-2022-1897 vim: out-of-bounds write in vim_regsub_both() in regexp.c
Summary: CVE-2022-1897 vim: out-of-bounds write in vim_regsub_both() in regexp.c
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2022-1897
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: 2091683 2093828 2093830 2093831 2093832
Blocks: 2091689
TreeView+ depends on / blocked
 
Reported: 2022-05-30 17:37 UTC by Guilherme de Almeida Suckevicz
Modified: 2022-09-01 01:36 UTC (History)
4 users (show)

Fixed In Version: vim 8.2.5023
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in vim. The vulnerability occurs due to Illegal memory access and leads to an out-of-bounds write vulnerability in the vim_regsub_both function. This flaw allows an attacker to input a specially crafted file, leading to a crash or code execution.
Clone Of:
Environment:
Last Closed: 2022-09-01 01:36:19 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2022:5813 0 None None None 2022-08-03 12:53:20 UTC
Red Hat Product Errata RHSA-2022:5942 0 None None None 2022-08-09 10:28:00 UTC

Description Guilherme de Almeida Suckevicz 2022-05-30 17:37:31 UTC 
Out-of-bounds Write in GitHub repository vim/vim prior to 8.2.

Reference:
https://huntr.dev/bounties/82c12151-c283-40cf-aa05-2e39efa89118

Upstream patch:
https://github.com/vim/vim/commit/338f1fc0ee3ca929387448fe464579d6113fa76a
Comment 1 Guilherme de Almeida Suckevicz 2022-05-30 17:37:47 UTC 
Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2091683]
Comment 5 errata-xmlrpc 2022-08-03 12:53:18 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2022:5813 https://access.redhat.com/errata/RHSA-2022:5813
Comment 6 errata-xmlrpc 2022-08-09 10:27:58 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2022:5942 https://access.redhat.com/errata/RHSA-2022:5942
Comment 7 Product Security DevOps Team 2022-09-01 01:36:17 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-2022-1897
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