PT-2008-6163 · Xen+1 · Xen+1

Robert Buchholz · Published 2008-11-07 · Updated 2017-09-29 · CVE-2008-4993

Positive Technologies (AI Summary)

CVSS v2.0

6.9

Medium

Base vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Xen version 3.2.1

Description The issue allows local users to overwrite arbitrary files via a symlink attack on the /tmp/args temporary file. This is related to the qemu-dm.debug functionality.

Recommendations For Xen version 3.2.1, consider restricting access to the qemu-dm.debug functionality to minimize the risk of exploitation. As a temporary workaround, avoid using the /tmp/args temporary file until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Link Following

Weakness Enumeration

CWE-59

Related Identifiers

CVE-2008-4993

RHSA-2009:0003

RHSA-2009_0003

Affected Products

Red Hat

Xen

References · 14

• https://nvd.nist.gov/vuln/detail/CVE-2008-4993 · Security Note
• http://mandriva.com/security/advisories?name=MDVSA-2009:016 · Vendor Advisory
• http://redhat.com/support/errata/RHSA-2009-0003.html · Vendor Advisory
• http://openwall.com/lists/oss-security/2008/10/30/2 · Note
• https://access.redhat.com/security/cve/CVE-2008-4993 · Note
• https://bugs.gentoo.org/show_bug.cgi?id=235805 · Note
• http://dev.gentoo.org/~rbu/security/debiantemp/xen-utils-3.2-1 · Note
• https://bugs.gentoo.org/show_bug.cgi?id=235770 · Note
• http://xenbits.xensource.com/staging/xen-3.3-testing.hg?rev/e0e17216ba70 · Note
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9576 · Note
• https://access.redhat.com/errata/RHSA-2009:0003 · Note
• http://bugs.debian.org/496367 · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/46545 · Note
• https://access.redhat.com/security/cve/CVE-2008-4405 · Note