Vulnerability Name:

CVE-2012-4427 (CCN-78754)

Assigned:2012-09-06
Published:2012-09-06
Updated:2012-10-02
Summary:The gnome-shell plugin 3.4.1 in GNOME allows remote attackers to force the download and installation of arbitrary extensions from extensions.gnome.org via a crafted web page.
CVSS v3 Severity:5.6 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
5.5 Medium (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P/E:U/RL:U/RC:UR)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
5.1 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P)
4.1 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P/E:U/RL:U/RC:UR)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-94
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2012-4427

Source: CCN
Type: oss-security Mailing List, Sun, 9 Sep 2012 00:36:26 +0200
note on gnome shell extensions

Source: MLIST
Type: Exploit
[oss-security] 20120909 note on gnome shell extensions

Source: MLIST
Type: UNKNOWN
[oss-security] 20120913 Re: note on gnome shell extensions

Source: MLIST
Type: UNKNOWN
[oss-security] 20120913 Re: Re: note on gnome shell extensions

Source: MLIST
Type: UNKNOWN
[oss-security] 20120918 Re: Re: note on gnome shell extensions

Source: BID
Type: UNKNOWN
55556

Source: CCN
Type: BID-55556
GNOME Shell Browser Plugin Arbitrary Code Execution Vulnerability

Source: MISC
Type: Vendor Advisory
https://bugzilla.gnome.org/show_bug.cgi?id=684215

Source: MISC
Type: Exploit
https://bugzilla.novell.com/show_bug.cgi?id=779473

Source: CCN
Type: Red Hat Bugzilla Bug 858034
CVE-2012-4427 gnome shell: browser integration plugin installs extensions without authorization

Source: XF
Type: UNKNOWN
gnome-shell-browser-code-exec(78754)

Source: CCN
Type: GNOME Web site
Shell Browser Plugin

Vulnerable Configuration:Configuration 1:
  • cpe:/a:gnome:gnome-shell:3.4.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20124427000
    V
    		CVE-2012-4427 on Ubuntu 12.04 LTS (precise) - medium.
    2012-09-30
    oval:com.ubuntu.trusty:def:20124427000
    V
    		CVE-2012-4427 on Ubuntu 14.04 LTS (trusty) - medium.
    2012-09-30
    oval:com.ubuntu.xenial:def:20124427000
    V
    		CVE-2012-4427 on Ubuntu 16.04 LTS (xenial) - medium.
    2012-09-30
    oval:com.ubuntu.xenial:def:201244270000000
    V
    		CVE-2012-4427 on Ubuntu 16.04 LTS (xenial) - medium.
    2012-09-30
    BACK
    gnome gnome-shell 3.4.1