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Vulnerability Details : CVE-2007-3920

GNOME screensaver 2.20 in Ubuntu 7.10, when used with Compiz, does not properly reserve input focus, which allows attackers with physical access to take control of the session after entering an Alt-Tab sequence, a related issue to CVE-2007-3069.
Publish Date : 2007-10-29 Last Update Date : 2010-08-21
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- CVSS Scores & Vulnerability Types

CVSS Score
6.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID CWE id is not defined for this vulnerability

- Vendor Statements

This issue affected Red Hat Enterprise Linux 5 with a low security impact. An update to the compiz package was released to correct this issue: https://rhn.redhat.com/errata/RHSA-2008-0485.html
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat low 2007-10-23 2007-10-19
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- Related OVAL Definitions

Title Definition Id Class Family
ELSA-2008:0485: compiz security update (Low) oval:org.mitre.oval:def:22308 unix
GNOME screensaver 2.20 in Ubuntu 7.10, when used with Compiz, does not properly reserve input focus, which allows attack... oval:org.mitre.oval:def:10192 unix
RHSA-2008:0485: compiz security update (Low) oval:com.redhat.rhsa:def:20080485 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2007-3920

# Product Type Vendor Product Version Update Edition Language
1 Application Compiz Compiz Version Details Vulnerabilities
2 Application Gnome Screensaver 2.20 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Compiz Compiz 1
Gnome Screensaver 1

- References For CVE-2007-3920

http://secunia.com/advisories/28627
SECUNIA 28627
http://secunia.com/advisories/30329
SECUNIA 30329
http://www.ubuntu.com/usn/usn-537-2
UBUNTU USN-537-2
http://www.redhat.com/support/errata/RHSA-2008-0485.html
REDHAT RHSA-2008:0485
http://xforce.iss.net/xforce/xfdb/37410
XF gnomescreensaver-compiz-security-bypass(37410)
https://bugzilla.redhat.com/show_bug.cgi?id=357071 CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=363061 CONFIRM
https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00811.html
FEDORA FEDORA-2008-0930
https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00841.html
FEDORA FEDORA-2008-0956
http://lists.opensuse.org/opensuse-security-announce/2008-06/msg00002.html
SUSE SUSE-SA:2008:027
http://secunia.com/advisories/30715
SECUNIA 30715
http://secunia.com/advisories/27381
SECUNIA 27381
http://www.securityfocus.com/bid/26188
BID 26188 Gnome-Screensaver With Compiz Lock Bypass Vulnerability Release Date:2008-06-16
http://www.ubuntu.com/usn/usn-537-1
UBUNTU USN-537-1

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2007-3920

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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