Gentoo: GLSA-202003-04: Vim, gVim: Remote execution of arbitrary code
Summary
It was found that the `:source!` command was not restricted by the sandbox mode. If modeline was explicitly enabled, opening a specially crafted text file in vim could result in arbitrary command execution.
Resolution
All Vim users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-editors/vim-8.1.1486"
All gVim users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-editors/gvim-8.1.1486"
References
[ 1 ] CVE-2019-12735 https://nvd.nist.gov/vuln/detail/CVE-2019-12735
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202003-04
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
Synopsis
A vulnerability has been found in Vim and gVim concerning how certain modeline options are treated.
Background
Vim is an efficient, highly configurable improved version of the classic ‘vi’ text editor. gVim is the GUI version of Vim.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-editors/vim < 8.1.1486 >= 8.1.1486 2 app-editors/gvim < 8.1.1486 >= 8.1.1486 ------------------------------------------------------------------- 2 affected packages
Impact
===== A remote attacker could entice a user to open a specially crafted file using Vim or gVim, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.
Workaround
There is no known workaround at this time.