OS Command Injection in Vim - CVE-2019-12735
Published: June 5, 2019 / Updated: June 17, 2021
Vulnerability identifier: #VU31049
CSH Severity: Low
CVSS v4.0: 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:P/U:Clear
CVE-ID: CVE-2019-12735
CWE-ID: CWE-78
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Vim.org
Affected software:
Vim
Vim
Detailed vulnerability 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.
How to mitigate CVE-2019-12735
Install update from vendor's website.
Sources
- 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
- https://access.redhat.com/errata/RHSA-2019:1619
- https://access.redhat.com/errata/RHSA-2019:1774
- https://access.redhat.com/errata/RHSA-2019:1793
- https://access.redhat.com/errata/RHSA-2019:1947
- https://bugs.debian.org/930020
- https://bugs.debian.org/930024
- https://github.com/neovim/neovim/pull/10082
- https://github.com/numirias/security/blob/master/doc/2019-06-04_ace-vim-neovim.md
- https://github.com/vim/vim/commit/53575521406739cf20bbe4e384d88e7dca11f040
- https://lists.debian.org/debian-lts-announce/2019/08/msg00003.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2BMDSHTF754TITC6AQJPCS5IRIDMMIM7/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TRIRBC2YRGKPAWVRMZS4SZTGGCVRVZPR/
- https://seclists.org/bugtraq/2019/Jul/39
- https://seclists.org/bugtraq/2019/Jun/33
- https://security.gentoo.org/glsa/202003-04
- https://support.f5.com/csp/article/K93144355
- https://support.f5.com/csp/article/K93144355?utm_source=f5support&utm_medium=RSS
- https://usn.ubuntu.com/4016-1/
- https://usn.ubuntu.com/4016-2/
- https://www.debian.org/security/2019/dsa-4467
- https://www.debian.org/security/2019/dsa-4487