OpenStack Object Storage (swift) before 1.7.0 uses the loads function in the pickle Python module unsafely when storing and loading metadata in memcached, which allows remote attackers to execute arbitrary code via a crafted pickle object.

References

• https://nvd.nist.gov/vuln/detail/CVE-2012-4406
• openstack/swift@e1ff51c
• https://bugs.launchpad.net/swift/+bug/1006414
• https://bugzilla.redhat.com/show_bug.cgi?id=854757
• https://exchange.xforce.ibmcloud.com/vulnerabilities/79140
• https://launchpad.net/swift/+milestone/1.7.0
• http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089472.html
• http://rhn.redhat.com/errata/RHSA-2012-1379.html
• http://rhn.redhat.com/errata/RHSA-2013-0691.html
• http://www.openwall.com/lists/oss-security/2012/09/05/16
• http://www.openwall.com/lists/oss-security/2012/09/05/4
• https://access.redhat.com/errata/RHSA-2012:1379
• https://access.redhat.com/errata/RHSA-2013:0691
• https://access.redhat.com/security/cve/CVE-2012-4406
• https://web.archive.org/web/20130629092623/http://www.securityfocus.com/bid/55420
• http://www.securityfocus.com/bid/55420