Denial of service in Vim



Published: 2022-03-14
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-46059
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Vim
Client/Desktop applications / Office applications

Vendor

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU61332

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-46059

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the vim_regexec_multi() function in regexp.c in Vim. A remote attacker can trick the victim to open a specially crafted file and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Vim: before 8.2.3883

CPE2.3 External links

http://bugzilla.redhat.com/show_bug.cgi?id=2039850


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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