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Tasklist

FS#33561 - [apache] CRIME attack vulnerability

Attached to Project: Arch Linux
Opened by Noah (print) - Friday, 25 January 2013, 17:04 GMT
Last edited by Jan de Groot (JGC) - Monday, 18 March 2013, 14:04 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Jan de Groot (JGC)
Architecture All
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 6
Private No

Details

Description:

Apache 2.2.23 is vulnerable to the so-called "CRIME" SSL attack. Mitigation info here: (http://opensourceandhackystuff.blogspot.com/2012/09/how-to-mitigate-crime-attack-in-apache.html)

Mitigation requires disabling SSL compression (SSLCompression no); however, that directive was not added to mod_ssl until 2.4.3

Additional info:
* package version(s)
* config and/or log files etc.


Steps to reproduce:
This task depends upon

Closed by  Jan de Groot (JGC)
Monday, 18 March 2013, 14:04 GMT
Reason for closing:  Fixed
Comment by Adam Young (atyoung) - Thursday, 31 January 2013, 07:15 GMT
Setting the environmental var with: export OPENSSL_NO_DEFAULT_ZLIB=1 mitigates this attack. Reference: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-4929
Comment by Geert Hendrickx (ghen) - Friday, 08 March 2013, 21:02 GMT
The environment variable didn't work for me. Upgrading the package to 2.2.24 and setting the new (backported) SSLCompression off did.

Upgrading to 2.2.24 is as simple as setting the pkgvar and the checksums, all the patches still apply. Can this be considered?

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