Ubuntu ifupdown AppArmor Security Bypass Weakness

BID:45706

Info

Ubuntu ifupdown AppArmor Security Bypass Weakness

Bugtraq ID: 45706
Class: Race Condition Error
CVE:
Remote: Yes
Local: No
Published: Jan 06 2011 12:00AM
Updated: Jan 06 2011 12:00AM
Credit: Reported by the vendor.
Vulnerable: Ubuntu Ubuntu Linux 10.10 powerpc
Ubuntu Ubuntu Linux 10.10 i386
Ubuntu Ubuntu Linux 10.10 ARM
Ubuntu Ubuntu Linux 10.10 amd64
Ubuntu Ubuntu Linux 10.04 sparc
Ubuntu Ubuntu Linux 10.04 powerpc
Ubuntu Ubuntu Linux 10.04 i386
Ubuntu Ubuntu Linux 10.04 ARM
Ubuntu Ubuntu Linux 10.04 amd64
Not Vulnerable:

Discussion

Ubuntu ifupdown AppArmor Security Bypass Weakness

Ubuntu ifupdown is prone to a security-bypass weakness that may cause AppArmor to run the DHCP client in unprotected mode.

Attackers who exploit a different vulnerability in the vulnerable application may bypass additional intended security restrictions. This may aid in further attacks.

Exploit / POC

Solution / Fix

Ubuntu ifupdown AppArmor Security Bypass Weakness

Solution:
Updates are available. Please see the references for more information.


Ubuntu Ubuntu Linux 10.04 ARM

Ubuntu Ubuntu Linux 10.10 amd64

Ubuntu Ubuntu Linux 10.04 powerpc

Ubuntu Ubuntu Linux 10.10 ARM

Ubuntu Ubuntu Linux 10.10 i386

Ubuntu Ubuntu Linux 10.04 amd64

Ubuntu Ubuntu Linux 10.10 powerpc

Ubuntu Ubuntu Linux 10.04 sparc

Ubuntu Ubuntu Linux 10.04 i386

References

Ubuntu ifupdown AppArmor Security Bypass Weakness

References:

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