Ubuntu Update Manager GPG Signature Verification Security Bypass Vulnerability

BID:50833

Info

Ubuntu Update Manager GPG Signature Verification Security Bypass Vulnerability

Bugtraq ID: 50833
Class: Design Error
CVE: CVE-2011-3152
Remote: Yes
Local: No
Published: Nov 28 2011 12:00AM
Updated: Nov 28 2011 12:00AM
Credit: David Black
Vulnerable: Ubuntu Update Manager 0
Ubuntu Ubuntu Linux 8.04 LTS sparc
Ubuntu Ubuntu Linux 8.04 LTS powerpc
Ubuntu Ubuntu Linux 8.04 LTS lpia
Ubuntu Ubuntu Linux 8.04 LTS i386
Ubuntu Ubuntu Linux 8.04 LTS amd64
Ubuntu Ubuntu Linux 11.10 i386
Ubuntu Ubuntu Linux 11.10 amd64
Ubuntu Ubuntu Linux 11.04 powerpc
Ubuntu Ubuntu Linux 11.04 i386
Ubuntu Ubuntu Linux 11.04 ARM
Ubuntu Ubuntu Linux 11.04 amd64
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 Update Manager GPG Signature Verification Security Bypass Vulnerability

Ubuntu Update Manager is prone to a signature-verification security-bypass vulnerability.

An attacker may exploit this issue through man-in-the-middle attacks. Successful attacks may allow the attacker to execute arbitrary code on a vulnerable computer.

Exploit / POC

Ubuntu Update Manager GPG Signature Verification Security Bypass Vulnerability

An attacker can exploit this issue by performing a man-in-the-middle attack.

Solution / Fix

Ubuntu Update Manager GPG Signature Verification Security Bypass Vulnerability

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

References

Ubuntu Update Manager GPG Signature Verification Security Bypass Vulnerability

References:
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