PT-2021-7626 · Vim+4 · Vim+4

Brammool · Published 2021-09-03 · Updated 2022-12-07 · CVE-2021-3770

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:C/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, which can be exploited to gain access to confidential data, compromise data integrity, and cause a denial of service. It is estimated that over 100 million Apple Mac/UNIX devices are potentially affected, as the text editor is preinstalled on these systems.

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

BDU:2023-00288

CVE-2021-3770

MGASA-2021-0432

OESA-2021-1344

USN-5093-1

Affected Products

Alt Linux

Astra Linux

Linuxmint

Ubuntu

Vim

References · 40

• 🔥 https://huntr.dev/bounties/016ad2f2-07c1-4d14-a8ce-6eed10729365 · Exploit
• https://github.com/vim/vim/commit/b7081e135a16091c93f6f5f7525a5c58fb7ca9f9 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-3770 · Security Note
• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20230315SE81 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5093-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/J2CJLY3CF55I2ULG2X4ENXLSXAXYW5J4 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2021-3770 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-00288 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-3770 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-3796 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2021-0432 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-3778 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-3770 · Security Note
• https://ubuntu.com/security/CVE-2021-3770 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2021-1344 · Vendor Advisory