CVE-2021-3770: Heap-based Buffer Overflow in vim/vim
First published: Mon Sep 06 2021(Updated: )
vim is vulnerable to Heap-based Buffer Overflow
Credit: security@huntr.dev
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SUSE Vim | <8.2.3408 | |
| Red Hat Fedora | =33 | |
| Red Hat Fedora | =34 | |
| Red Hat Fedora | =35 | |
| NetApp ONTAP Select Deploy |
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Reference Links
- http://www.openwall.com/lists/oss-security/2021/10/01/1
- https://github.com/vim/vim/commit/b7081e135a16091c93f6f5f7525a5c58fb7ca9f9
- https://huntr.dev/bounties/016ad2f2-07c1-4d14-a8ce-6eed10729365
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J2CJLY3CF55I2ULG2X4ENXLSXAXYW5J4/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4FFQARG3LGREPDZRI4C7ERQL3RJKEWQ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZFNTMVZCN4TRTTCAXRLVQ7H2P7FYAIZQ/
- https://security.gentoo.org/glsa/202208-32
- https://security.netapp.com/advisory/ntap-20221124-0003/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J2CJLY3CF55I2ULG2X4ENXLSXAXYW5J4/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4FFQARG3LGREPDZRI4C7ERQL3RJKEWQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZFNTMVZCN4TRTTCAXRLVQ7H2P7FYAIZQ/
Frequently Asked Questions
What is the severity of CVE-2021-3770?
CVE-2021-3770 has a high severity rating due to its potential for heap-based buffer overflow exploits.
How do I fix CVE-2021-3770?
To fix CVE-2021-3770, update Vim to version 8.2.3408 or later.
Which software versions are affected by CVE-2021-3770?
CVE-2021-3770 affects Vim versions prior to 8.2.3408 and Fedora versions 33, 34, and 35.
What types of vulnerabilities are associated with CVE-2021-3770?
CVE-2021-3770 is associated with heap-based buffer overflow vulnerabilities.
Is there a workaround for CVE-2021-3770?
There is no specific workaround for CVE-2021-3770; updating to a patched version is recommended.
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- vendor/vim
- canonical/suse vim
- vendor/fedoraproject
- canonical/red hat fedora
- version/red hat fedora/33
- version/red hat fedora/34
- version/red hat fedora/35
- vendor/netapp
- canonical/netapp ontap select deploy