CVE-2018-20871

In Univa Grid Engine before 8.6.3, when configured for Docker jobs and execd spooling on root_squash, weak file permissions ("other" write access) occur in…

published July 30, 2019

CVSS
—
EPSS
2%
Percentile
82.0
In the wild
Unconfirmed
What it is

⚠️ A case of weak file permissions lurking in Docker jobs! In Univa Grid Engine versions before 8.6.3, improperly configured execd spooling might just let anyone write files they shouldn't. 🐳 Imagine a restaurant where anyone can slip their own ingredients into the chef's secret sauce because the pantry door was left unlocked — that's the kind of oversight we're dealing with here! An attacker could potentially tamper with crucial files, leading to unauthorized changes in job configurations or even injecting harmful scripts into the system. While this vulnerability isn’t currently exploited, its existence poses a risk that should not be ignored.

Put simply

Imagine a restaurant where anyone can slip their own ingredients into the chef's secret sauce because the pantry door was left unlocked — that's the kind of oversight we're dealing with here! This vulnerability allows weak file permissions due to 'other' write access in certain configurations when using Docker jobs in Univa Grid Engine, leading to possible unauthorized file modifications.

What to do

An attacker could potentially tamper with crucial files, leading to unauthorized changes in job configurations or even injecting harmful scripts into the system. While this vulnerability isn’t currently exploited, its existence poses a risk that should not be ignored. Upgrade to Univa Grid Engine version 8.6.3 or later to eliminate this vulnerability. Additionally, review your file permission settings and ensure that proper access controls are in place to prevent unintended write access. You've got this! Follow these steps to secure your environment and keep your systems safe. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02169 · 82.0th percentile
Published
2019-07-30T18:30Z
EPSS history
Timeline
  • 30 JUL 18:30Z
    In Univa Grid Engine before 8.6.3, when configured for Docker jobs and execd spooling on root_squash, weak file permissions ("other" write access) occur in…
    cvelistv5