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CVE-2019-12735

Published: 5 June 2019

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.

From the Ubuntu Security Team

It was discovered that Vim incorrectly handled certain files. An attacker could possibly use this issue to execute arbitrary code.

Notes

AuthorNote
leosilva
neither precise/esm or trusty/esm seems to be
affected. The POC was not reproducible in these
releases

Priority

Medium

Cvss 3 Severity Score

8.6

Score breakdown

Status

Package Release Status
neovim
Launchpad, Ubuntu, Debian
impish Not vulnerable
(0.3.4-2)
jammy Not vulnerable
(0.3.4-2)
kinetic Not vulnerable
(0.3.4-2)
cosmic
Released (0.3.1-1ubuntu0.1)
disco
Released (0.3.4-1ubuntu0.19.04.1)
eoan Not vulnerable
(0.3.4-2)
focal Not vulnerable
(0.3.4-2)
groovy Not vulnerable
(0.3.4-2)
hirsute Not vulnerable
(0.3.4-2)
trusty Does not exist

upstream
Released (0.3.6)
xenial Does not exist

bionic
Released (0.2.2-3ubuntu0.1~esm1)
Available with Ubuntu Pro
lunar Not vulnerable
(0.3.4-2)
vim
Launchpad, Ubuntu, Debian
impish
Released (2:8.1.0875-4ubuntu1)
jammy
Released (2:8.1.0875-4ubuntu1)
kinetic
Released (2:8.1.0875-4ubuntu1)
bionic
Released (2:8.0.1453-1ubuntu1.1)
cosmic
Released (2:8.0.1766-1ubuntu1.1)
disco
Released (2:8.1.0320-1ubuntu3.1)
eoan
Released (2:8.1.0875-4ubuntu1)
focal
Released (2:8.1.0875-4ubuntu1)
groovy
Released (2:8.1.0875-4ubuntu1)
hirsute
Released (2:8.1.0875-4ubuntu1)
trusty Not vulnerable

upstream
Released (8.1.1365)
xenial
Released (2:7.4.1689-3ubuntu1.3)
lunar
Released (2:8.1.0875-4ubuntu1)

Severity score breakdown

Parameter Value
Base score 8.6
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H