CVE-2009-3517

nfs.ext in IBM AIX 5.3.x through 5.3.9 and 6.1.0 through 6.1.2 does not properly use the nfs_portmon setting, which allows remote attackers to bypass intended…

published October 1, 2009

CVSS
—
EPSS
4%
Percentile
91.2
In the wild
Unconfirmed
What it is

⚠️ A sneaky configuration misstep is lurking! IBM AIX versions 5.3.x and 6.1.x are letting attackers bypass security measures on NFSv4 shares due to the nfs_portmon setting not being used correctly. 🔍 Think of it like a gated community where the security guards are told to check IDs but forget to actually look at them. Anyone can stroll in without a proper invite! An attacker could exploit this oversight to access sensitive NFSv4 shares without permission, potentially exposing confidential data or causing disruption. This could lead to unauthorized data modifications or even worse situations if critical system files are involved. 😱

Put simply

Think of it like a gated community where the security guards are told to check IDs but forget to actually look at them. Anyone can stroll in without a proper invite! The vulnerability arises because the nfs_portmon setting is improperly configured, allowing unauthorized access to NFSv4 shares. This means that remote attackers can circumvent access controls, posing a serious threat to file integrity and confidentiality.

What to do

An attacker could exploit this oversight to access sensitive NFSv4 shares without permission, potentially exposing confidential data or causing disruption. This could lead to unauthorized data modifications or even worse situations if critical system files are involved. 😱 To mitigate this vulnerability, ensure that the nfs_portmon setting is correctly applied. Review your NFS configurations and apply any necessary patches or updates to IBM AIX to safeguard against unauthorized access. Regular audits of your access controls are also recommended! You've got this! With a few careful configurations, you can secure your NFS shares and protect your systems. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04355 · 91.2th percentile
Published
2009-10-01T15:00Z
EPSS history
Timeline
  • 01 OCT 15:00Z
    nfs.ext in IBM AIX 5.3.x through 5.3.9 and 6.1.0 through 6.1.2 does not properly use the nfs_portmon setting, which allows remote attackers to bypass intended…
    cvelistv5