PYSEC-2012-21

    Dashboard / Vulnerabilities / PYSEC-2012-21

    PYSEC-2012-21

    Published: 20 Aug 2012Last Modified: 10 Jun 2026

    Summary:

    Details: virt/disk/api.py in OpenStack Compute (Nova) 2012.1.x before 2012.1.2 and Folsom before Folsom-3 allows remote authenticated users to overwrite arbitrary files via a symlink attack on a file in an image that uses a symlink that is only readable by root. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-3361.

    References: https://github.com/openstack/nova/commit/ce4b2e27be45a85b310237615c47eb53f37bb5f3, https://github.com/openstack/nova/commit/ce4b2e27be45a85b310237615c47eb53f37bb5f3, https://github.com/openstack/nova/commit/d9577ce9f266166a297488445b5b0c93c1ddb368, https://github.com/openstack/nova/commit/d9577ce9f266166a297488445b5b0c93c1ddb368, http://www.securityfocus.com/bid/54869, http://www.openwall.com/lists/oss-security/2012/08/07/1, https://review.openstack.org/#/c/10953/, https://bugzilla.redhat.com/show_bug.cgi?id=845106, https://bugs.launchpad.net/nova/+bug/1031311, https://exchange.xforce.ibmcloud.com/vulnerabilities/77539, https://github.com/advisories/GHSA-xc4g-7vw8-924h

    Affected packages

    Package

    Name: nova

    Purl: pkg:pypi/nova

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -ce4b2e27be45a85b310237615c47eb53f37bb5f3

    Affected versions

    15.1.5

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High