What’s Vulnerable › Vulnerabilities

CVE-2012-4406

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-10-22 · updated 2026-06-16
• Weakness: CWE-502

Description

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.

Affected products

• Fedoraproject Fedora: 16
• OpenStack Swift: before 1.7.0 — fixed in 1.7.0
• RedHat Enterprise Linux Server: 5.0, 6.0
• RedHat Gluster Storage Management Console: 2.0
• RedHat Gluster Storage Server For On-Premise: 2.0
• RedHat Storage: 2.0
• RedHat Storage For Public Cloud: 2.0

How to fix

Upgrade to a fixed version: OpenStack Swift 1.7.0. Check the vendor advisory for mitigations.

References

• 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
• http://www.securityfocus.com/bid/55420
• https://bugs.launchpad.net/swift/+bug/1006414
• https://bugzilla.redhat.com/show_bug.cgi?id=854757
• https://exchange.xforce.ibmcloud.com/vulnerabilities/79140
• https://github.com/openstack/swift/commit/e1ff51c04554d51616d2845f92ab726cb0e5831a
• https://launchpad.net/swift/+milestone/1.7.0
• http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089472.html

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