Vulnerability CVE-2013-7221 - CERT Civis.Net

Vulnerability Name:

CVE-2013-7221 (CCN-95340)

Assigned:

2013-12-27

Published:

2013-12-27

Updated:

2014-04-29

Summary:

The automatic screen lock functionality in GNOME Shell (aka gnome-shell) before 3.10 does not prevent access to the "Enter a Command" dialog, which allows physically proximate attackers to execute arbitrary commands by leveraging an unattended workstation.

CVSS v3 Severity:

5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low 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:

4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.4 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.4 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Type:

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2013-7221

Source: MLIST
Type: UNKNOWN
[oss-security] 20131227 Two CVE request for gnome-shell/screensaver issues

Source: MLIST
Type: UNKNOWN
[oss-security] 20131227 Re: Two CVE request for gnome-shell/screensaver issues

Source: CONFIRM
Type: UNKNOWN
https://bugzilla.gnome.org/show_bug.cgi?id=708313

Source: XF
Type: UNKNOWN
gnomeshell-cve20137221-command-exec(95340)

Source: CCN
Type: gnome-shell GIT Repository
Close runDialog as necessary on session mode changes

Source: CONFIRM
Type: UNKNOWN
https://git.gnome.org/browse/gnome-shell/commit/js/ui/main.js?id=efdf1ff755943fba1f8a9aaeff77daa3ed338088

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2013-7221

Vulnerable Configuration:

Configuration 1:

cpe:/a:gnome:gnome-shell:3.0.0:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.0.0.1:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.0.0.2:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.0.1:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.0.2:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.1.3:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.1.4:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.1.90:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.1.90.1:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.1.91:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.1.91.1:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.1.92:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.2.0:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.2.1:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.2.2:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.2.2.1:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.3.2:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.3.3:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.3.5:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.3.90:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.3.91:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.3.92:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.4.0:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.4.1:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.4.2:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.5.2:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.5.3:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.5.4:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.5.90:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.5.91:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.5.92:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.6.0:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.6.1:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.6.2:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.6.3:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.6.3.1:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.7.1:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.7.2:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.7.2.1:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.7.3:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.7.3.1:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.7.4:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.7.4.1:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.7.5:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.7.91:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.7.92:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.8.0:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.8.0.1:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.8.1:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.8.2:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.8.3:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.8.4:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.9.1:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.9.2:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.9.3:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.9.4:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.9.5:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.9.90:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:3.9.91:*:*:*:*:*:*:*

OR cpe:/a:gnome:gnome-shell:*:*:*:*:*:*:*:* (Version <= 3.9.92)

Configuration CCN 1:

cpe:/a:gnome:gnome-shell:3.9.92:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.precise:def:20137221000	V	CVE-2013-7221 on Ubuntu 12.04 LTS (precise) - medium.	2014-04-29
oval:com.ubuntu.trusty:def:20137221000	V	CVE-2013-7221 on Ubuntu 14.04 LTS (trusty) - medium.	2014-04-29
oval:com.ubuntu.xenial:def:20137221000	V	CVE-2013-7221 on Ubuntu 16.04 LTS (xenial) - medium.	2014-04-29
oval:com.ubuntu.xenial:def:201372210000000	V	CVE-2013-7221 on Ubuntu 16.04 LTS (xenial) - medium.	2014-04-29