PT-2021-7388 · Vim+6 · Vim+6

Brammool · Published 2021-11-13 · Updated 2024-08-21 · CVE-2021-3973

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

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 text editor. It is associated with incorrect handling of CTRL-W f when no file name is present. Exploitation of this issue allows a remote attacker to access confidential data, compromise its integrity, and cause a denial of service.

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

Exploit

Heap Based Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-122

CWE-787

Related Identifiers

ALT-PU-2022-1087

ALT-PU-2022-1711

ALT-PU-2022-1731

ALT-PU-2022-1771

AZL-6946

BDU:2022-05922

CVE-2021-3973

DLA-2947-1

MGASA-2021-0535

OESA-2021-1450

OPENSUSE-SU-2022_2102-1

SUSE-SU-2022:2102-1

SUSE-SU-2022:4619-1

USN-5247-1

USN-5433-1

USN-6965-1

Affected Products

Alt Linux

Astra Linux

Debian

Linuxmint

Suse

Ubuntu

Vim

References · 266

• 🔥 https://huntr.dev/bounties/ce6e8609-77c6-4e17-b9fc-a2e5abed052e · Exploit
• https://github.com/vim/vim/commit/615ddd5342b50a6878a907062aa471740bd9a847 · Patch
• https://bdu.fstec.ru/vul/2022-05922 · Security Note
• https://ubuntu.com/security/CVE-2021-3973 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-3973 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2021-0535.html · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-3973 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2022:4619-1 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-2947-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-3973 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-3973 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IH2LS2DXBTYOCWGAKFMBF3HTWWXPBEFL · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6965-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6965-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20230315SE81 · Vendor Advisory