Vulnerability Name:

CVE-2007-4993 (CCN-36835)

Assigned:2007-09-22
Published:2007-09-22
Updated:2018-10-15
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.
CVSS v3 Severity:4.8 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:6.9 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C)
5.1 Medium (Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
4.3 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:P/A:P)
3.2 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:P/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-20
Vulnerability Consequences:Gain Privileges
References:Source: CCN
Type: Xen Source Bugzilla Bug 1068
Guest root can escape to domain 0 through grub.conf and pygrub

Source: CONFIRM
Type: UNKNOWN
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1068

Source: MITRE
Type: CNA
CVE-2007-4993

Source: CCN
Type: RHSA-2007-0323
Important: xen security update

Source: CCN
Type: SA26986
Xen Multiple Vulnerabilities

Source: SECUNIA
Type: Vendor Advisory
26986

Source: SECUNIA
Type: UNKNOWN
27047

Source: SECUNIA
Type: UNKNOWN
27072

Source: SECUNIA
Type: UNKNOWN
27085

Source: SECUNIA
Type: UNKNOWN
27103

Source: SECUNIA
Type: UNKNOWN
27141

Source: SECUNIA
Type: UNKNOWN
27161

Source: SECUNIA
Type: UNKNOWN
27486

Source: DEBIAN
Type: UNKNOWN
DSA-1384

Source: DEBIAN
Type: DSA-1384
xen-utils -- several vulnerabilities

Source: MANDRIVA
Type: UNKNOWN
MDKSA-2007:203

Source: REDHAT
Type: UNKNOWN
RHSA-2007:0323

Source: BUGTRAQ
Type: UNKNOWN
20071008 rPSA-2007-0210-1 xen

Source: BID
Type: UNKNOWN
25825

Source: CCN
Type: BID-25825
Xen pygrub TOOLS/PYGRUB/SRC/GRUBCONF.PY Local Command Injection Vulnerability

Source: CCN
Type: USN-527-1
xen-3.0 vulnerability

Source: UBUNTU
Type: UNKNOWN
USN-527-1

Source: VUPEN
Type: UNKNOWN
ADV-2007-3348

Source: CCN
Type: Xen Web site
Xen Community

Source: XF
Type: UNKNOWN
xen-grubconf-privilege-escalation(36835)

Source: CONFIRM
Type: UNKNOWN
https://issues.rpath.com/browse/RPL-1752

Source: OVAL
Type: UNKNOWN
oval:org.mitre.oval:def:11240

Source: FEDORA
Type: UNKNOWN
FEDORA-2007-2708

Source: FEDORA
Type: UNKNOWN
FEDORA-2007-2270

Source: FEDORA
Type: UNKNOWN
FEDORA-2007-713

Source: SUSE
Type: SUSE-SR:2007:020
SUSE Security Summary Report

Vulnerable Configuration:Configuration 1:
  • cpe:/a:xensource_inc:xen:3.0.3:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/a:redhat:rhel_virtualization:5:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/a:redhat:rhel_virtualization:5::client:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/a:redhat:rhel_virtualization:5::server:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*

    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:5::client:*:*:*:*:*

    • Configuration RedHat 6:
  • cpe:/o:redhat:enterprise_linux:5::server:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:xensource:xen:3.0.3:*:*:*:*:*:*:*
  • AND
  • cpe:/o:mandrakesoft:mandrake_linux:2007:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2007::x86_64:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux_corporate_server:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux_corporate_server:4.0::x86_64:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
  • OR cpe:/a:redhat:rhel_virtualization:5:*:server:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2007.1:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu:7.04:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:client:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2007.1::x86-64:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:17613
    P
    		USN-527-1 -- xen-3.0 vulnerability
    2014-06-30
    oval:org.mitre.oval:def:20455
    P
    		DSA-1384-1 xen-3.0
    2014-06-23
    oval:org.mitre.oval:def:22666
    P
    		ELSA-2007:0323: xen security update (Important)
    2014-05-26
    oval:org.mitre.oval:def:11240
    V
    		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.
    2013-04-29
    oval:org.debian:def:1384
    V
    		several vulnerabilities
    2007-10-05
    oval:com.redhat.rhsa:def:20070323
    P
    		RHSA-2007:0323: xen security update (Important)
    2007-10-02
    BACK
    xensource_inc xen 3.0.3
    xensource xen 3.0.3
    mandrakesoft mandrake linux 2007
    mandrakesoft mandrake linux 2007
    mandrakesoft mandrake linux corporate server 4.0
    mandrakesoft mandrake linux corporate server 4.0
    redhat enterprise linux 5
    redhat rhel virtualization 5
    mandrakesoft mandrake linux 2007.1
    debian debian linux 4.0
    canonical ubuntu 7.04
    redhat enterprise linux 5
    mandrakesoft mandrake linux 2007.1