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[ GLSA 200711-31 ] Net-SNMP: Denial of Service
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PostPosted: Wed Nov 21, 2007 12:26 am    Post subject: [ GLSA 200711-31 ] Net-SNMP: Denial of Service Reply with quote

Gentoo Linux Security Advisory

Title: Net-SNMP: Denial of Service (GLSA 200711-31)
Severity: normal
Exploitable: remote
Date: November 20, 2007
Bug(s): #198346
ID: 200711-31

Synopsis

A Denial of Service vulnerability has been discovered in Net-SNMP when processing GETBULK requests.

Background

Net-SNMP is a collection of tools for generating and retrieving SNMP data.

Affected Packages

Package: net-analyzer/net-snmp
Vulnerable: < 5.4.1-r1
Unaffected: >= 5.4.1-r1
Architectures: All supported architectures


Description

The SNMP agent (snmpd) does not properly handle GETBULK requests with an overly large "max-repetitions" field.

Impact

A remote unauthenticated attacker could send a specially crafted SNMP request to the vulnerable application, possibly resulting in a high CPU and memory consumption.

Workaround

There is no known workaround at this time.

Resolution

All Net-SNMP users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-analyzer/net-snmp-5.4.1-r1"


References

CVE-2007-5846
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