#VU67659 Use-after-free in Vim - CVE-2022-3297
Vulnerability identifier: #VU67659
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-2022-3297
CWE-ID:
CWE-416
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 compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the process_next_cpt_value() function in insexpand.c when processing files. A remote attacker can trick the victim to open a specially crafted flie, 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.
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, 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External links
https://github.com/vim/vim/commit/0ff01835a40f549c5c4a550502f62a2ac9ac447c
https://huntr.dev/bounties/1aa9ec92-0355-4710-bf85-5bce9effa01c
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.
