-Re: [CVE-2012-1574] Apache Hadoop user impersonation vulnerability
I received off list communication that the fix is here: https://github.com/apache/hadoop-common/commit/fda454
Thank you, this is the missing disclosure we were looking for.
I did not go so far back in time as >~ 21 days because the announcement was made today, so missed it.
So there is additional mitigation possible, for example, a user can patch task-controller quite readily and roll out an emergency upgrade.
Problems worthy of attack prove their worth by hitting back. - Piet Hein (via Tom White)
----- Original Message -----
> From: Andrew Purtell <[EMAIL PROTECTED]>
> To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>; "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
> Sent: Friday, April 6, 2012 10:02 AM
> Subject: Re: [CVE-2012-1574] Apache Hadoop user impersonation vulnerability
>T his is not a helpful disclosure.
> Now we know our "secure" deployment is vulnerable, but have no idea
> how to mitigate. Claiming an upgrade to a nonexistent version with an,
> apparently, uncommitted fix as a mitigation is not viable. Where is the JIRA for
> Best regards,
> - Andy
> Problems worthy of attack prove their worth by hitting back. - Piet Hein (via
> Tom White)
> ----- Original Message -----
>> From: Aaron T. Myers <[EMAIL PROTECTED]>
>> To: [EMAIL PROTECTED]; [EMAIL PROTECTED];
> [EMAIL PROTECTED]; [EMAIL PROTECTED]
>> Sent: Thursday, April 5, 2012 7:31 PM
>> Subject: [CVE-2012-1574] Apache Hadoop user impersonation vulnerability
>> Users of Apache Hadoop should be aware of a security vulnerability recently
>> discovered, as described by the following CVE. In particular, please note
>> the "Users affected", "Versions affected", and
>> "Mitigation" sections.
>> Aaron T. Myers
>> Software Engineer, Cloudera
>> CVE-2012-1574: Apache Hadoop user impersonation vulnerability
>> Severity: Critical
>> Vendor: The Apache Software Foundation
>> Versions Affected:
>> Hadoop 0.20.203.0, 0.20.204.0, and 0.20.205.0
>> Hadoop 1.0.0 to 1.0.1
>> Hadoop 0.23.0 to 0.23.1.
>> Users affected: Users who have enabled Hadoop's Kerberos/MapReduce
>> Impact: Vulnerability allows an authenticated malicious user to impersonate
>> any other user on the cluster.
>> 0.20.20x.x and 1.0.x users should upgrade to 1.0.2
>> 0.23.x users should upgrade to 0.23.2 when it becomes available
>> This issue was discovered by Aaron T. Myers of Cloudera.