PT-2021-6131 · Vim+11 · Vim+11

Brammool · Published 2021-12-31 · Updated 2023-04-19 · CVE-2021-4192

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions vim (affected versions not specified)

Description The issue is related to a Use After Free condition in the vim text editor, specifically concerning the win linetabsize() function. This condition involves the use of memory after it has been freed, which can be exploited to impact the confidentiality, integrity, and availability of information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALSA-2022:0366

ALT-PU-2022-1087

ALT-PU-2022-1711

ALT-PU-2022-1731

ALT-PU-2022-1771

AZL-7085

BDU:2022-00980

CESA-2022_0366

CVE-2021-4192

DLA-2947-1

DLA-3182-1

OESA-2022-1500

OPENSUSE-SU-2022_2102-1

RHSA-2022:0366

RHSA-2022_0366

RLSA-2022:0366

SUSE-SU-2022:2102-1

SUSE-SU-2022:4619-1

USN-5433-1

USN-6026-1

Affected Products

Alt Linux

Almalinux

Astra Linux

Centos

Debian

Linuxmint

Apple Macos

Red Hat

Rocky Linux

Suse

Ubuntu

Vim

References · 306

• 🔥 https://huntr.dev/bounties/6dd9cb2e-a940-4093-856e-59b502429f22 · Exploit
• https://github.com/vim/vim/commit/4c13e5e6763c6eb36a343a2b8235ea227202e952 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-4166 · Security Note
• https://osv.dev/vulnerability/RLSA-2022:0366 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-0729 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/682940 · Security Note
• https://bdu.fstec.ru/vul/2022-00980 · Security Note
• https://ubuntu.com/security/CVE-2022-1154 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-0361 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-4192 · Security Note
• https://ubuntu.com/security/CVE-2022-0685 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-4069 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2022-1121SE47 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-2947-1 · Vendor Advisory