Squid SNMPWalk Denial Of Service Vulnerability

BID:4202

Info

Squid SNMPWalk Denial Of Service Vulnerability

Bugtraq ID: 4202
Class: Failure to Handle Exceptional Conditions
CVE:
Remote: Yes
Local: No
Published: Aug 30 2001 12:00AM
Updated: Aug 30 2001 12:00AM
Credit: This issue appears to have been reported by the Squid development team.
Vulnerable: National Science Foundation Squid Web Proxy 2.4 STABLE2
+ Caldera OpenLinux Server 3.1.1
+ Caldera OpenServer 5.0.6
National Science Foundation Squid Web Proxy 2.4 STABLE1
+ HP Secure OS software for Linux 1.0
+ MandrakeSoft Corporate Server 1.0.1
+ MandrakeSoft Single Network Firewall 7.2
+ Mandriva Linux Mandrake 8.0 ppc
 + Mandriva Linux Mandrake 8.0
+ Mandriva Linux Mandrake 7.2
+ Mandriva Linux Mandrake 7.1
+ Redhat Linux 7.2
- SuSE Linux 7.2
National Science Foundation Squid Web Proxy 2.4
+ FreeBSD FreeBSD 5.0
+ FreeBSD FreeBSD 4.5
+ FreeBSD FreeBSD 4.4
+ Trustix Secure Linux 1.5
+ Trustix Secure Linux 1.2
+ Trustix Secure Linux 1.1
National Science Foundation Squid Web Proxy 2.3.1
National Science Foundation Squid Web Proxy 2.3
+ Redhat Linux 7.1 ia64
 + Redhat Linux 7.1 i386
 + Redhat Linux 7.1 alpha
 + Redhat Linux 7.0 i386
 + Redhat Linux 7.0 alpha
 + Redhat Linux 6.2 sparc
 + Redhat Linux 6.2 i386
 + Redhat Linux 6.2 alpha
 + SCO Open Server 5.0.6 a
 + SCO Open Server 5.0.6
+ SCO Open Server 5.0.5
+ SCO Open Server 5.0.4
+ SCO Open Server 5.0.3
+ SCO Open Server 5.0.2
+ SCO Open Server 5.0.1
+ SCO Open Server 5.0
+ SuSE Linux 7.3 sparc
 + SuSE Linux 7.3 ppc
 + SuSE Linux 7.3 i386
 + SuSE Linux 7.2 i386
 + SuSE Linux 7.1 x86
 + SuSE Linux 7.1 sparc
 + SuSE Linux 7.1 ppc
 + SuSE Linux 7.1 alpha
 + SuSE Linux 7.0 sparc
 + SuSE Linux 7.0 ppc
 + SuSE Linux 7.0 i386
 + SuSE Linux 7.0 alpha
 + SuSE Linux 6.4 ppc
 + SuSE Linux 6.4 i386
 + SuSE Linux 6.4 alpha
 National Science Foundation Squid Web Proxy 2.2
- Redhat Linux 6.0 sparc
 - Redhat Linux 6.0 alpha
 - Redhat Linux 6.0
- Redhat Linux 5.2 sparc
 - Redhat Linux 5.2 i386
 - Redhat Linux 5.2 alpha
 National Science Foundation Squid Web Proxy 2.1
National Science Foundation Squid Web Proxy 2.0
Not Vulnerable: National Science Foundation Squid Web Proxy 2.4 STABLE4
- MandrakeSoft Corporate Server 1.0.1
- MandrakeSoft Single Network Firewall 7.2
- Mandriva Linux Mandrake 8.2
- Mandriva Linux Mandrake 8.1 ia64
 - Mandriva Linux Mandrake 8.1
- Mandriva Linux Mandrake 8.0 ppc
 - Mandriva Linux Mandrake 8.0
- Mandriva Linux Mandrake 7.2
- Mandriva Linux Mandrake 7.1
National Science Foundation Squid Web Proxy 2.4 STABLE3

Discussion

Squid SNMPWalk Denial Of Service Vulnerability

Squid Web Proxy Cache is a free, open source proxy server.

It has been reported that it is possible to use the SNMP client snmpwalk to crash Squid Web Proxy servers. This condition occurs when snmpwalk is used to browse empty tables.

This issue may be exploited by remote attackers.

The proxy server will need to be restarted to regain normal functionality.

Exploit / POC

Squid SNMPWalk Denial Of Service Vulnerability

This issue may be exploited with snmpwalk.

Solution / Fix

Squid SNMPWalk Denial Of Service Vulnerability

Solution:
Upgrades are available.


National Science Foundation Squid Web Proxy 2.0

National Science Foundation Squid Web Proxy 2.1

National Science Foundation Squid Web Proxy 2.2

National Science Foundation Squid Web Proxy 2.3

National Science Foundation Squid Web Proxy 2.3.1

National Science Foundation Squid Web Proxy 2.4

National Science Foundation Squid Web Proxy 2.4 STABLE2

National Science Foundation Squid Web Proxy 2.4 STABLE1

References

Squid SNMPWalk Denial Of Service Vulnerability

References:

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