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Gentoo: GLSA-202003-04 Normal Severity: Vim and gVim Remote Code Execution

gentoo
Calendar Grey March 12, 2020
Dist Gentoo Esm H88
Critical flaw in Vim and gVim allows remote code execution on Gentoo systems. Immediate patching is needed for secure operations.
A vulnerability has been found in Vim and gVim concerning how certain modeline options are treated.

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.

Topics%20covered

Topics Covered

security advisory Gentoo remote execution vim normal severity

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
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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.

Severity: Normal
Title: Vim, gVim: Remote execution of arbitrary code
Date: March 12, 2020
Bugs: #687394
ID: 202003-04

Topics%20covered

Topics Covered

security advisory Gentoo remote execution vim normal severity

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.

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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.

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