48894 : libvirt xenstore /local/domain/ Subdirectory Xen Guest VM File Modification
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Timeline

Disclosure Date
2008-09-30

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2008-4405" target="_blank">CVE</a>)</em> : xend in Xen 3.0.3 does not properly limit the contents of the /local/domain xenstore directory tree, and does not properly restrict a guest VM's write access within this tree, which allows guest OS users to cause a denial of service and possibly have unspecified other impact by writing to (1) console/tty, (2) console/limit, or (3) image/device-model-pid. NOTE: this issue was originally reported as an issue in libvirt 0.3.3 and xenstore, but CVE is considering the core issue to be related to Xen.

Classification

Impact: Loss of Integrity
Disclosure: Vendor Verified

Products

Unknown or Incomplete

References

CVE ID: 2008-4405 (see also: NVD) 2008-5716 (see also: NVD)
Secunia Advisory ID: 33422 36700
Vendor Specific News/Changelog Entry: http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html
http://xenbits.xensource.com/staging/xen-3.3-testing.hg?rev/e0e17216ba70
https://bugzilla.redhat.com/show_bug.cgi?id=464818
Mail List Post: http://lists.xensource.com/archives/html/xen-devel/2008-09/msg00992.html
http://lists.xensource.com/archives/html/xen-devel/2008-09/msg00994.html
http://lists.xensource.com/archives/html/xen-devel/2008-12/msg00842.html
http://lists.xensource.com/archives/html/xen-devel/2008-12/msg00845.html
http://lists.xensource.com/archives/html/xen-devel/2008-12/msg00846.html
http://lists.xensource.com/archives/html/xen-devel/2008-12/msg00847.html
Other Advisory URL: http://openwall.com/lists/oss-security/2008/09/30/6
http://openwall.com/lists/oss-security/2008/12/19/1
RedHat RHSA: https://rhn.redhat.com/errata/RHSA-2009-0003.html

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 7.2
Source: nvd.nist.gov | Generated: 2008-12-25 | Disagree? | There are 1 more: View All

Blogs

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This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.

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