Use-after-free in Vim



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-4752
CWE-ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
Vim
Client/Desktop applications / Software for system administration

Vendor Vim.org

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU80506

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-4752

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a use-after-free error within the ins_compl_get_exp() function in insexpand.c. A remote attacker can trick the victim to open a specially crafted file and crash the application.


Mitigation

Install updates from vendor's website.

Vulnerable software versions

Vim: 9.0.0000 - 9.0.1857

CPE2.3 External links

https://github.com/vim/vim/releases/tag/v9.0.1858
https://github.com/vim/vim/commit/ee9166eb3b41846661a39b662dc7ebe8b5e15139
https://huntr.dev/bounties/85f62dd7-ed84-4fa2-b265-8a369a318757


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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