openSUSE Security Update: openssl: disable compression ______________________________________________________________________________
Announcement ID: openSUSE-SU-2013:1630-1 Rating: moderate References: #793420 Cross-References: CVE-2012-4929 Affected Products: openSUSE 12.3 openSUSE 12.2 ______________________________________________________________________________
An update that fixes one vulnerability is now available.
Description:
This update disables compression in openssl by default, as the varying sizes resulting from compression can be used to retrieve plaintext in various cases. (CRIME attack CVE-2012-4929).
This update introduces a environment variable OPENSSL_NO_DEFAULT_ZLIB which can be set to "no" to reenable compression in selected services.
Patch Instructions:
To install this openSUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product:
- openSUSE 12.3:
zypper in -t patch openSUSE-2013-818
- openSUSE 12.2:
zypper in -t patch openSUSE-2013-818
To bring your system up-to-date, use "zypper patch".
Package List:
- openSUSE 12.3 (i586 x86_64):
libopenssl-devel-1.0.1e-1.13.1 libopenssl1_0_0-1.0.1e-1.13.1 libopenssl1_0_0-debuginfo-1.0.1e-1.13.1 openssl-1.0.1e-1.13.1 openssl-debuginfo-1.0.1e-1.13.1 openssl-debugsource-1.0.1e-1.13.1
- openSUSE 12.3 (x86_64):
libopenssl-devel-32bit-1.0.1e-1.13.1 libopenssl1_0_0-32bit-1.0.1e-1.13.1 libopenssl1_0_0-debuginfo-32bit-1.0.1e-1.13.1
- openSUSE 12.3 (noarch):
openssl-doc-1.0.1e-1.13.1
- openSUSE 12.2 (i586 x86_64):
libopenssl-devel-1.0.1e-2.12.1 libopenssl1_0_0-1.0.1e-2.12.1 libopenssl1_0_0-debuginfo-1.0.1e-2.12.1 openssl-1.0.1e-2.12.1 openssl-debuginfo-1.0.1e-2.12.1 openssl-debugsource-1.0.1e-2.12.1
- openSUSE 12.2 (x86_64):
libopenssl-devel-32bit-1.0.1e-2.12.1 libopenssl1_0_0-32bit-1.0.1e-2.12.1 libopenssl1_0_0-debuginfo-32bit-1.0.1e-2.12.1
- openSUSE 12.2 (noarch):
openssl-doc-1.0.1e-2.12.1
References:
http://support.novell.com/security/cve/CVE-2012-4929.html https://bugzilla.novell.com/793420