Bug 2044954 (CVE-2022-0128) - CVE-2022-0128 vim: a heap-based OOB read of size 1
Summary: CVE-2022-0128 vim: a heap-based OOB read of size 1
Keywords:
Status: NEW
Alias: CVE-2022-0128
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: 2044956 2045153
Blocks: 2044609
TreeView+ depends on / blocked
 
Reported: 2022-01-25 11:34 UTC by Marian Rehak
Modified: 2023-07-07 08:33 UTC (History)
15 users (show)

Fixed In Version:
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Doc Text:
A heap-based out-of-bounds read flaw was found in vim. This issue allows an attacker to input a specially crafted file causing an application to crash, leading to a denial of service and possibly disclosing a small amount of memory.
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Description Marian Rehak 2022-01-25 11:34:08 UTC 
A heap-based OOB read of size 1 occurs when a user tries to open a vim session file specified below. This happens regardless of any command line options that could be specified to restrict vim, such -Z and -m.

Reference:

https://huntr.dev/bounties/63f51299-008a-4112-b85b-1e904aadd4ba/
https://github.com/vim/vim/commit/d3a117814d6acbf0dca3eff1a7626843b9b3734a
Comment 1 Marian Rehak 2022-01-25 11:40:05 UTC 
Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2044956]
Comment 3 juneau 2022-01-25 15:57:23 UTC 
Marked services affected/delegated. Affected code is present, however impact is moderate and actual occurrence of flaw is unlikely.
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