Vulnerability Name:

CVE-2013-0261 (CCN-82834)

Assigned:2012-12-06
Published:2013-03-05
Updated:2013-03-18
Summary:(1) installer/basedefs.py and (2) modules/ospluginutils.py in PackStack allows local users to overwrite arbitrary files via a symlink attack on a temporary file with a predictable name in /tmp.
Per http://rhn.redhat.com/errata/RHSA-2013-0595.html these are the affected products:

Red Hat OpenStack Essex
Red Hat OpenStack Folsom
CVSS v3 Severity:5.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:4.4 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P)
3.8 Low (Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P/E:H/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
3.3 Low (CCN CVSS v2 Vector: AV:L/AC:M/Au:N/C:N/I:P/A:P)
2.9 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:N/I:P/A:P/E:H/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-264
Vulnerability Consequences:File Manipulation
References:Source: MITRE
Type: CNA
CVE-2013-0261

Source: REDHAT
Type: Vendor Advisory
RHSA-2013:0595

Source: CCN
Type: Red Hat Bugzilla Bug 908101
CVE-2013-0261 OpenStack packstack: insecure use of /tmp in manifest creation

Source: MISC
Type: UNKNOWN
https://bugzilla.redhat.com/show_bug.cgi?id=908101

Source: XF
Type: UNKNOWN
packstack-basedefs-ospluginutils-symlink(82834)

Source: CCN
Type: OpenStack Web site
Packstack - OpenStack

Vulnerable Configuration:Configuration 1:
  • cpe:/a:openstack:essex:-:*:*:*:*:*:*:*
  • OR cpe:/a:openstack:folsom:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:openstack:folsom:2012.2:*:*:*:*:*:*:*
  • OR cpe:/a:openstack:essex:2012.1:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    openstack essex -
    openstack folsom -
    openstack folsom 2012.2
    openstack essex 2012.1