Ubuntu Software Properties PPA GPG Keys Validation Security Bypass Vulnerability

BID:55736

Info

Ubuntu Software Properties PPA GPG Keys Validation Security Bypass Vulnerability

Bugtraq ID: 55736
Class: Design Error
CVE: CVE-2012-5356
Remote: Yes
Local: No
Published: Oct 01 2012 12:00AM
Updated: Oct 12 2012 06:30PM
Credit: Marc Deslauriers
Vulnerable: Ubuntu Ubuntu Linux 12.04 LTS i386
Ubuntu Ubuntu Linux 12.04 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 10.04 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 Software Properties PPA GPG Keys Validation Security Bypass Vulnerability

Ubuntu Software Properties is prone to a security-bypass vulnerability.

An attacker may exploit this issue to trick a user into installing arbitrary PPA GPG keys through man-in-the-middle attacks. This may allow the attacker to install malicious packages and execute arbitrary code on a vulnerable computer.

Exploit / POC

Ubuntu Software Properties PPA GPG Keys Validation Security Bypass Vulnerability

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

Solution / Fix

Ubuntu Software Properties PPA GPG Keys Validation Security Bypass Vulnerability

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

References

Ubuntu Software Properties PPA GPG Keys Validation Security Bypass Vulnerability

References:

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