PT-2021-5357 · Vim+9 · Vim+9

Brammool · Published 2021-10-24 · Updated 2025-03-17 · CVE-2021-3903

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/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 heap-based buffer overflow in the vim editor, which can be exploited by a remote attacker to execute arbitrary commands. This can be achieved by using the -s parameter in the command line to launch a script. The estimated number of potentially affected devices worldwide is not available. There is no information about real-world incidents where this issue was exploited.

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

Exploit

Out of bounds Read

Memory Corruption

Heap Based Buffer Overflow

Weakness Enumeration

CWE-125

CWE-787

CWE-122

Related Identifiers

ALSA-2024:9405

ALT-PU-2022-1087

ALT-PU-2022-1711

ALT-PU-2022-1731

ALT-PU-2022-1771

BDU:2021-06187

CVE-2021-3903

DLA-3053-1

INFSA-2024_9405

MGASA-2021-0535

OESA-2021-1421

OPENSUSE-SU-2022_2102-1

RHSA-2024:9405

RHSA-2024_9405

RLSA-2024:9405

SUSE-SU-2022:2102-1

SUSE-SU-2022:4619-1

USN-5147-1

Affected Products

Alt Linux

Almalinux

Astra Linux

Debian

Linuxmint

Red Hat

Rocky Linux

Suse

Ubuntu

Vim

References · 263

• 🔥 https://huntr.dev/bounties/35738a4f-55ce-446c-b836-2fb0b39625f8 · Exploit
• https://github.com/vim/vim/commit/777e7c21b7627be80961848ac560cb0a9978ff43 · Patch
• https://linux.oracle.com/errata/ELSA-2024-9405.html · Vendor Advisory
• https://osv.dev/vulnerability/USN-5147-1 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3053-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2021-0535 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-17087 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2021-3903 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-3903 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2021-1421 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DU26T75PYA3OF7XJGNKMT2ZCQEU4UKP5 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5147-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-3903 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-3903 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/DU26T75PYA3OF7XJGNKMT2ZCQEU4UKP5 · Vendor Advisory