Improper input validation in vim-syntastic - CVE-2018-11319
Published: August 3, 2018 / Updated: August 6, 2018
Vulnerability identifier: #VU14197
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-11319
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper handling of searches for configuration files (it searches the current directory up to potentially the root). A remote unauthenticated attacker with write access to a directory that is a parent of the base directory of the project being checked can supply a malicious gcc plugin and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
vim-syntastic
Debian Linux
Fedora
vim-syntastic
Debian Linux
Fedora
vim-syntastic
How to mitigate CVE-2018-11319
Install update from vendor's website.
vim-syntastic - addressed in versions 3.9.0-1.fc26, 3.9.0-1.fc27