#VU82310 Use-after-free in Vim - CVE-2023-5535
Published: October 24, 2023
Vulnerability identifier: #VU82310
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-5535
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Vim
Vim
Software vendor:
Vim.org
Vim.org
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the editing_arg_idx() function. 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.
Remediation
Install updates from vendor's website.
External links
- https://github.com/vim/vim/commit/41e6f7d6ba67b61d911f9b1d76325cd79224753d
- https://huntr.dev/bounties/2c2d85a7-1171-4014-bf7f-a2451745861f
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VDDWD25AZIHBAA44HQT75OWLQ5UMDKU3/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VGTVLUV7UCXXCZAIQIUCLG6JXAVYT3HE/