Vulnerability identifier: #VU31049
Vulnerability risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-78
Exploitation vector: Local
Exploit availability: Yes
Vulnerable software:
Vim
Client/Desktop applications /
Office applications
Vendor: Vim.org
Description
The vulnerability allows a local non-authenticated attacker to execute arbitrary code.
getchar.c in Vim before 8.1.1365 and Neovim before 0.3.6 allows remote attackers to execute arbitrary OS commands via the :source! command in a modeline, as demonstrated by execute in Vim, and assert_fails or nvim_input in Neovim.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Vim: 8.1.0000 - 8.1.1364
External links
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00031.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00036.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00037.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00034.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00050.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00075.html
http://www.securityfocus.com/bid/108724
http://access.redhat.com/errata/RHSA-2019:1619
http://access.redhat.com/errata/RHSA-2019:1774
http://access.redhat.com/errata/RHSA-2019:1793
http://access.redhat.com/errata/RHSA-2019:1947
http://bugs.debian.org/930020
http://bugs.debian.org/930024
http://github.com/neovim/neovim/pull/10082
http://github.com/numirias/security/blob/master/doc/2019-06-04_ace-vim-neovim.md
http://github.com/vim/vim/commit/53575521406739cf20bbe4e384d88e7dca11f040
http://lists.debian.org/debian-lts-announce/2019/08/msg00003.html
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2BMDSHTF754TITC6AQJPCS5IRIDMMIM7/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TRIRBC2YRGKPAWVRMZS4SZTGGCVRVZPR/
http://seclists.org/bugtraq/2019/Jul/39
http://seclists.org/bugtraq/2019/Jun/33
http://security.gentoo.org/glsa/202003-04
http://support.f5.com/csp/article/K93144355
http://support.f5.com/csp/article/K93144355?utm_source=f5support&utm_medium=RSS
http://usn.ubuntu.com/4016-1/
http://usn.ubuntu.com/4016-2/
http://www.debian.org/security/2019/dsa-4467
http://www.debian.org/security/2019/dsa-4487
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.