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[ GLSA 200901-15 ] Net-SNMP: Denial of Service
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GLSA
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PostPosted: Thu Jan 22, 2009 12:26 am    Post subject: [ GLSA 200901-15 ] Net-SNMP: Denial of Service Reply with quote

Gentoo Linux Security Advisory

Title: Net-SNMP: Denial of Service (GLSA 200901-15)
Severity: normal
Exploitable: remote
Date: January 21, 2009
Bug(s): #245306
ID: 200901-15

Synopsis


A vulnerability in Net-SNMP could lead to a Denial of Service.


Background


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


Affected Packages

Package: net-analyzer/net-snmp
Vulnerable: < 5.4.2.1
Unaffected: >= 5.4.2.1
Architectures: All supported architectures


Description


Oscar Mira-Sanchez reported an integer overflow in the
netsnmp_create_subtree_cache() function in agent/snmp_agent.c when
processing GETBULK requests.


Impact


A remote attacker could send a specially crafted request to crash the
SNMP server. NOTE: The attacker needs to know the community string to
exploit this vulnerability.


Workaround


Restrict access to trusted entities only.


Resolution


All Net-SNMP users should upgrade to the latest version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=net-analyzer/net-snmp-5.4.2.1"


References

CVE-2008-4309


Last edited by GLSA on Tue Feb 18, 2014 4:28 am; edited 2 times in total
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