Remote code execution in Vim



Published: 2022-09-24
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-3256
CWE-ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Vim
Client/Desktop applications / Office applications

Vendor

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU67627

Risk: High

CVSSv3.1:

CVE-ID: CVE-2022-3256

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the movemark() function in mark.c. A remote attacker can trick the victim to open a specially crafted file, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Vim: before 9.0.0530

before 9.0.0530
CPE2.3 External links

http://github.com/vim/vim/commit/8ecfa2c56b4992c7f067b92488aa9acea5a454ad
http://huntr.dev/bounties/8336a3df-212a-4f8d-ae34-76ef1f936bb3

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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