CVE-2009-1887 Denial of service in n/a

Medium 5.0 Published 26 Jun 2009 Updated 7 Aug 2024

Remote attackers can crash the SNMP daemon via a crafted GETBULK request causing a divide-by-zero error, requiring a patch.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2009-1887?

CVE-2009-1887 is a medium-severity denial of service vulnerability in n/a, published on 26 Jun 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

agent/snmp_agent.c in snmpd in net-snmp 5.0.9 in Red Hat Enterprise Linux (RHEL) 3 allows remote attackers to cause a denial of service (daemon crash) via a crafted SNMP GETBULK request that triggers a divide-by-zero error. NOTE: this vulnerability exists because of an incorrect fix for CVE-2008-4309.

Weakness: CWE-369

Which versions are affected by CVE-2009-1887?

It affects 1 product.

Linux distribution packages (24)

`net-snmp` Red Hat:enterprise_linux:3::as	All versions	`0:5.0.9-2.30E.28`
`net-snmp-debuginfo` Red Hat:enterprise_linux:3::as	All versions	`0:5.0.9-2.30E.28`
`net-snmp-devel` Red Hat:enterprise_linux:3::as	All versions	`0:5.0.9-2.30E.28`
`net-snmp-libs` Red Hat:enterprise_linux:3::as	All versions	`0:5.0.9-2.30E.28`
`net-snmp-perl` Red Hat:enterprise_linux:3::as	All versions	`0:5.0.9-2.30E.28`
`net-snmp-utils` Red Hat:enterprise_linux:3::as	All versions	`0:5.0.9-2.30E.28`
`net-snmp` Red Hat:enterprise_linux:3::desktop	All versions	`0:5.0.9-2.30E.28`
`net-snmp-debuginfo` Red Hat:enterprise_linux:3::desktop	All versions	`0:5.0.9-2.30E.28`
`net-snmp-devel` Red Hat:enterprise_linux:3::desktop	All versions	`0:5.0.9-2.30E.28`
`net-snmp-libs` Red Hat:enterprise_linux:3::desktop	All versions	`0:5.0.9-2.30E.28`
`net-snmp-perl` Red Hat:enterprise_linux:3::desktop	All versions	`0:5.0.9-2.30E.28`
`net-snmp-utils` Red Hat:enterprise_linux:3::desktop	All versions	`0:5.0.9-2.30E.28`
`net-snmp` Red Hat:enterprise_linux:3::es	All versions	`0:5.0.9-2.30E.28`
`net-snmp-debuginfo` Red Hat:enterprise_linux:3::es	All versions	`0:5.0.9-2.30E.28`
`net-snmp-devel` Red Hat:enterprise_linux:3::es	All versions	`0:5.0.9-2.30E.28`
`net-snmp-libs` Red Hat:enterprise_linux:3::es	All versions	`0:5.0.9-2.30E.28`
`net-snmp-perl` Red Hat:enterprise_linux:3::es	All versions	`0:5.0.9-2.30E.28`
`net-snmp-utils` Red Hat:enterprise_linux:3::es	All versions	`0:5.0.9-2.30E.28`
`net-snmp` Red Hat:enterprise_linux:3::ws	All versions	`0:5.0.9-2.30E.28`
`net-snmp-debuginfo` Red Hat:enterprise_linux:3::ws	All versions	`0:5.0.9-2.30E.28`
`net-snmp-devel` Red Hat:enterprise_linux:3::ws	All versions	`0:5.0.9-2.30E.28`
`net-snmp-libs` Red Hat:enterprise_linux:3::ws	All versions	`0:5.0.9-2.30E.28`
`net-snmp-perl` Red Hat:enterprise_linux:3::ws	All versions	`0:5.0.9-2.30E.28`
`net-snmp-utils` Red Hat:enterprise_linux:3::ws	All versions	`0:5.0.9-2.30E.28`

Products include Net-Snmp Net-Snmp.

How do I fix CVE-2009-1887?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2009-1887 being exploited?

There is no known exploitation of CVE-2009-1887 in the wild and no public exploit code.

Sources

Also known as GHSA-cf72-rgjq-hh5r, RHSA-2009:1124.