CVE-2016-1585

AppArmor mount rules grant excessive permissions

Low · published April 22, 2019

CVSS v3.0
3.9
EPSS
1%
Percentile
63.3
In the wild
Unconfirmed
What it is

💡 A little oversight in AppArmor’s mount rules can widen access unintentionally. Even though this vulnerability has a low score, it’s still wise to keep an eye out! ⚠️ Think of it like a hotel staff accidentally giving out keys to all guest rooms instead of just the booked ones — it’s not a full-blown crisis, but it could lead to some awkward moments! While the risk here is low, a malicious actor could exploit this to access files or directories they shouldn't normally see. This could potentially expose sensitive information, leading to unintended data leaks. It's not catastrophic, but definitely not ideal!

Put simply

Think of it like a hotel staff accidentally giving out keys to all guest rooms instead of just the booked ones — it’s not a full-blown crisis, but it could lead to some awkward moments! In all versions of AppArmor, the mount rules are inadvertently broadened during compilation, allowing more access than intended. This misconfiguration could lead to unauthorized access within the system.

What to do

While the risk here is low, a malicious actor could exploit this to access files or directories they shouldn't normally see. This could potentially expose sensitive information, leading to unintended data leaks. It's not catastrophic, but definitely not ideal! To mitigate this, ensure you're compiling AppArmor with the latest patches that restrict mount rules properly. Regularly review your AppArmor profiles to confirm they align with your security policies. It’s a good practice to audit your configurations periodically! You’ve got this! Stay vigilant, and with these steps, you’ll keep your system secure! 🛡️

The record
Technical detail
CVSS v3.0
3.9 · LOW
Vector
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.01034 · 63.3th percentile
Published
2019-04-22T15:35Z
EPSS history
Timeline
  • 22 APR 15:35Z
    AppArmor mount rules grant excessive permissions
    cvelistv5