PT-2023-4762 · Vim+1 · Vim+1

Yifengchen-Cc · Published 2023-08-11 · Updated 2023-09-15 · CVE-2021-3236

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

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

Name of the Vulnerable Software and Affected Versions vim version 8.2.2348

Description The issue is related to a null pointer dereference in the ex buffer all method, which allows local attackers to cause a denial of service (DoS).

Recommendations For vim version 8.2.2348, consider disabling the ex buffer all method as a temporary workaround until a patch is available.

Exploit

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2023-05204

CVE-2021-3236

Affected Products

Astra Linux

Vim

References · 9

• 🔥 https://github.com/vim/vim/issues/7674 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-3236 · Security Note
• https://osv.dev/vulnerability/CVE-2021-3236 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-05204 · Security Note
• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20230315SE81 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-3236 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-3236 · Vendor Advisory
• https://security.netapp.com/advisory/ntap-20230915-0001 · Note
• https://twitter.com/CVEnew/status/1690264426828488704 · Twitter Post