#VU66628 Heap-based buffer overflow in Vim - CVE-2022-2819


Vulnerability identifier: #VU66628

Vulnerability risk: High

CVSSv4.0: 5.7 [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-2022-2819

CWE-ID: CWE-122

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 execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in vim9cmds.c. A remote attacker can trick the victim to open a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vim: 9.0.0000, 9.0.0001, 9.0.0002, 9.0.0003, 9.0.0004, 9.0.0005, 9.0.0006, 9.0.0007, 9.0.0008, 9.0.0009, 9.0.0010, 9.0.0011, 9.0.0012, 9.0.0013, 9.0.0014, 9.0.0015, 9.0.0016, 9.0.0017, 9.0.0018, 9.0.0019, 9.0.0020, 9.0.0021, 9.0.0022, 9.0.0023, 9.0.0024, 9.0.0025, 9.0.0026, 9.0.0027, 9.0.0028, 9.0.0029, 9.0.0030, 9.0.0031, 9.0.0032, 9.0.0033, 9.0.0034, 9.0.0035, 9.0.0036, 9.0.0037, 9.0.0038, 9.0.0039, 9.0.0040, 9.0.0041, 9.0.0042, 9.0.0043, 9.0.0044, 9.0.0045, 9.0.0046, 9.0.0047, 9.0.0048, 9.0.0049, 9.0.0050, 9.0.0051, 9.0.0052, 9.0.0053, 9.0.0054, 9.0.0055, 9.0.0056, 9.0.0057, 9.0.0058, 9.0.0059, 9.0.0060, 9.0.0061, 9.0.0062, 9.0.0063, 9.0.0064, 9.0.0065, 9.0.0066, 9.0.0067, 9.0.0068, 9.0.0069, 9.0.0070, 9.0.0071, 9.0.0072, 9.0.0073, 9.0.0074, 9.0.0075, 9.0.0076, 9.0.0077, 9.0.0078, 9.0.0079, 9.0.0080, 9.0.0081, 9.0.0082, 9.0.0083, 9.0.0084, 9.0.0085, 9.0.0086, 9.0.0087, 9.0.0088, 9.0.0089, 9.0.0090, 9.0.0091, 9.0.0092, 9.0.0093, 9.0.0094, 9.0.0095, 9.0.0096, 9.0.0097, 9.0.0098, 9.0.0099, 9.0.0100, 9.0.0101, 9.0.0102, 9.0.0103, 9.0.0104, 9.0.0105, 9.0.0106, 9.0.0107, 9.0.0108, 9.0.0109, 9.0.0110, 9.0.0111, 9.0.0112, 9.0.0113, 9.0.0114, 9.0.0115, 9.0.0116, 9.0.0117, 9.0.0118, 9.0.0119, 9.0.0120, 9.0.0121, 9.0.0122, 9.0.0123, 9.0.0124, 9.0.0125, 9.0.0126, 9.0.0127, 9.0.0128, 9.0.0129, 9.0.0130, 9.0.0131, 9.0.0132, 9.0.0133, 9.0.0134, 9.0.0135, 9.0.0136, 9.0.0137, 9.0.0138, 9.0.0139, 9.0.0140, 9.0.0141, 9.0.0142, 9.0.0143, 9.0.0144, 9.0.0145, 9.0.0146, 9.0.0147, 9.0.0148, 9.0.0151, 9.0.0152, 9.0.0153, 9.0.0154, 9.0.0155, 9.0.0156, 9.0.0157, 9.0.0158, 9.0.0159, 9.0.0160, 9.0.0161, 9.0.0162, 9.0.0163, 9.0.0164, 9.0.0165, 9.0.0166, 9.0.0167, 9.0.0168, 9.0.0169, 9.0.0170, 9.0.0171, 9.0.0172, 9.0.0173, 9.0.0174, 9.0.0175, 9.0.0176, 9.0.0177, 9.0.0178, 9.0.0179, 9.0.0180, 9.0.0181, 9.0.0182, 9.0.0183, 9.0.0184, 9.0.0185, 9.0.0186, 9.0.0187, 9.0.0188, 9.0.0189, 9.0.0190, 9.0.0191, 9.0.0192, 9.0.0193, 9.0.0194, 9.0.0195, 9.0.0196, 9.0.0197, 9.0.0198, 9.0.0199, 9.0.0200, 9.0.0201, 9.0.0202, 9.0.0203, 9.0.0204, 9.0.0205, 9.0.0206, 9.0.0207, 9.0.0208, 9.0.0209


External links
https://huntr.dev/bounties/0a9bd71e-66b8-4eb1-9566-7dfd9b097e59
https://github.com/vim/vim/commit/d1d8f6bacb489036d0fd479c9dd3c0102c988889


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