CVE-2016-20014

In pam_tacplus.c in pam_tacplus before 1.4.1, pam_sm_acct_mgmt does not zero out the arep data structure

published April 21, 2022

CVSS
—
EPSS
1%
Percentile
69.6
In the wild
Unconfirmed
What it is

⚠️ A hidden oversight in pam_tacplus can leave sensitive data hanging around like a forgotten umbrella at a party! Think of it like a restaurant that serves up their famous soup but forgets to clean the pot after each use – some leftover ingredients from one batch can sneak into the next. This vulnerability allows old data to linger in the arep structure, waiting to be accessed. If an attacker manages to exploit this flaw, they could potentially glean sensitive information that should have been wiped clean, leading to a breach of security and privacy. It’s a sneaky path to unwanted data exposure, and while not actively exploited, it poses a risk that shouldn't be ignored!

Put simply

Think of it like a restaurant that serves up their famous soup but forgets to clean the pot after each use – some leftover ingredients from one batch can sneak into the next. This vulnerability allows old data to linger in the arep structure, waiting to be accessed. In pam_tacplus.c before version 1.4.1, the pam_sm_acct_mgmt function fails to zero out the 'arep' data structure, meaning it can retain information across sessions when it should not.

What to do

If an attacker manages to exploit this flaw, they could potentially glean sensitive information that should have been wiped clean, leading to a breach of security and privacy. It’s a sneaky path to unwanted data exposure, and while not actively exploited, it poses a risk that shouldn't be ignored! Upgrade to pam_tacplus version 1.4.1 or later to ensure that sensitive data is appropriately handled and zeroed out. Regularly audit your PAM configurations to catch such potential oversights! You've got this! Take these steps to lock it down and keep your data safe! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01272 · 69.6th percentile
Published
2022-04-21T03:58Z
EPSS history
Timeline
  • 21 APR 03:58Z
    In pam_tacplus.c in pam_tacplus before 1.4.1, pam_sm_acct_mgmt does not zero out the arep data structure
    cvelistv5