#VU63647 Out-of-bounds read in Vim


Published: 2022-05-25

Vulnerability identifier: #VU63647

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1769

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Vim
Client/Desktop applications / Office applications

Vendor: Vim.org

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in get_one_sourceline() function. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vim: 8.2.0 - 8.2.4974


External links
http://huntr.dev/bounties/522076b2-96cb-4df6-a504-e6e2f64c171c
http://github.com/vim/vim/commit/4748c4bd64610cf943a431d215bb1aad51f8d0b4
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QKIX5HYKWXWG6QBCPPTPQ53GNOFHSAIS/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IUPOLEX5GXC733HL4EFYMHFU7NISJJZG/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BFAZTAT5CZC2R6KYDYA2HBAVEDSIX6MW/


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.


Latest bulletins with this vulnerability