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6.9
CVSSv2

CVE-2007-4993

Published: 27/09/2007 Updated: 15/10/2018
CVSS v2 Base Score: 6.9 | Impact Score: 10 | Exploitability Score: 3.4
VMScore: 695
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Vulnerability Summary

pygrub (tools/pygrub/src/GrubConf.py) in Xen 3.0.3, when booting a guest domain, allows local users with elevated privileges in the guest domain to execute arbitrary commands in domain 0 via a crafted grub.conf file whose contents are used in exec statements.

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xensource inc xen 3.0.3

Vendor Advisories

Ubuntu Security Notice: xen-3.0 vulnerability
Joris van Rantwijk discovered that the Xen host did not correctly validate the contents of a Xen guests’s grugconf file Xen guest root users could exploit this to run arbitrary commands on the host when the guest system was rebooted ...

Exploits

Exploit DB: Xen 3.0.3 - pygrub TOOLS/PYGRUB/SRC/GRUBCONF.PY Local Command Injection
source: wwwsecurityfocuscom/bid/25825/info Xen is prone to a local command-injection vulnerability that can lead to privilege escalation This issue occurs because the application fails to validate input in the 'tools/pygrub/src/GrubConfpy' script This vulnerability affects Xen 303; other versions may be affected as well An attac ...

References

CWE-20http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1068http://secunia.com/advisories/26986https://issues.rpath.com/browse/RPL-1752http://www.debian.org/security/2007/dsa-1384https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00030.htmlhttps://www.redhat.com/archives/fedora-package-announce/2007-October/msg00082.htmlhttp://www.mandriva.com/security/advisories?name=MDKSA-2007:203http://www.redhat.com/support/errata/RHSA-2007-0323.htmlhttp://www.securityfocus.com/bid/25825http://secunia.com/advisories/27085http://secunia.com/advisories/27161http://secunia.com/advisories/27072http://secunia.com/advisories/27103http://secunia.com/advisories/27486http://secunia.com/advisories/27141http://secunia.com/advisories/27047https://www.redhat.com/archives/fedora-package-announce/2007-November/msg00004.htmlhttp://www.vupen.com/english/advisories/2007/3348http://www.ubuntu.com/usn/usn-527-1https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11240http://www.securityfocus.com/archive/1/481825/100/0/threadedhttps://usn.ubuntu.com/527-1/https://nvd.nist.govhttps://www.exploit-db.com/exploits/30620/
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