PT-2021-7390 · Vim+6 · Vim+6

Brammool · Published 2021-10-25 · Updated 2024-08-21 · CVE-2021-3974

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 Use After Free vulnerability in the vim text editor, specifically in the regexp nfa.c component. This vulnerability allows a remote attacker to access confidential data, compromise its integrity, and cause a denial of service by exploiting the use of memory after it has been freed.

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

ALT-PU-2022-1087

ALT-PU-2022-1711

ALT-PU-2022-1731

ALT-PU-2022-1771

AZL-6947

BDU:2022-05924

CVE-2021-3974

DLA-2947-1

DLA-3182-1

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 · 267

• 🔥 https://huntr.dev/bounties/e402cb2c-8ec4-4828-a692-c95f8e0de6d4 · Exploit
• https://github.com/vim/vim/commit/64066b9acd9f8cffdf4840f797748f938a13f2d6 · Patch
• https://ubuntu.com/security/CVE-2021-3973 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2021-0535.html · 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/AZL-6947 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6965-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IH2LS2DXBTYOCWGAKFMBF3HTWWXPBEFL · Vendor Advisory
• https://osv.dev/vulnerability/USN-6965-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20230315SE81 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3974 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2021-1450 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/DU26T75PYA3OF7XJGNKMT2ZCQEU4UKP5 · Vendor Advisory