#VU63647 Out-of-bounds read in Vim - CVE-2022-1769
Vulnerability identifier: #VU63647
Vulnerability risk: Medium
CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-125
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Vim
Client/Desktop applications /
Software for system administration
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
https://huntr.dev/bounties/522076b2-96cb-4df6-a504-e6e2f64c171c
https://github.com/vim/vim/commit/4748c4bd64610cf943a431d215bb1aad51f8d0b4
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QKIX5HYKWXWG6QBCPPTPQ53GNOFHSAIS/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IUPOLEX5GXC733HL4EFYMHFU7NISJJZG/
https://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.
