CVE-2005-4837

snmp_api.c in snmpd in Net-SNMP 5.2.x before 5.2.2, 5.1.x before 5.1.3, and 5.0.x before 5.0.10.2, when running in master agentx mode, allows remote attackers…

published April 10, 2007

CVSS
—
EPSS
10%
Percentile
95.5
In the wild
Unconfirmed
What it is

⚠️ A tricky TCP disconnect can bring your Net-SNMP agent to its knees! This denial of service vulnerability in versions 5.2.x and below is a sneaky little sleep-inducer for your system. 😴 Think of it like a waiter who gets a phone call during a busy dinner service. When they lose track of the orders (or connections), multiple tables might end up waiting indefinitely while the kitchen is thrown into chaos. That's what this disconnect does to your network agent! An attacker could exploit this flaw to intentionally cause your SNMP agent to crash, effectively shutting down communication and monitoring. This could lead to significant disruptions in network management and oversight. Imagine your network monitoring going dark without a trace!

Put simply

Think of it like a waiter who gets a phone call during a busy dinner service. When they lose track of the orders (or connections), multiple tables might end up waiting indefinitely while the kitchen is thrown into chaos. That's what this disconnect does to your network agent! In Net-SNMP versions 5.2.x before 5.2.2, 5.1.x before 5.1.3, and 5.0.x before 5.0.10.2, a specific TCP disconnect in master agentx mode can trigger the freeing of an incorrect variable, resulting in a denial of service event.

What to do

An attacker could exploit this flaw to intentionally cause your SNMP agent to crash, effectively shutting down communication and monitoring. This could lead to significant disruptions in network management and oversight. Imagine your network monitoring going dark without a trace! Upgrade your Net-SNMP to version 5.2.2 or later, 5.1.3 or later, or 5.0.10.2 or later to patch this vulnerability. Regularly check for updates and configurations to ensure agentx mode runs smoothly without hiccups. 🚀 You got this! Patch that software and keep your network running like a well-oiled machine! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.09738 · 95.5th percentile
Published
2007-04-10T23:00Z
EPSS history
Timeline
  • 10 APR 23:00Z
    snmp_api.c in snmpd in Net-SNMP 5.2.x before 5.2.2, 5.1.x before 5.1.3, and 5.0.x before 5.0.10.2, when running in master agentx mode, allows remote attackers…
    cvelistv5