Vulnerability Name:

CVE-2013-1062 (CCN-87853)

Assigned:2013-09-18
Published:2013-09-18
Updated:2013-10-08
Summary:ubuntu-system-service 0.2.4 before 0.2.4.1. 0.2.3 before 0.2.3.1, and 0.2.2 before 0.2.2.1 does not properly use D-Bus for communication with a polkit authority, which allows local users to bypass intended access restrictions by leveraging a PolkitUnixProcess PolkitSubject race condition via a (1) setuid process or (2) pkexec process, a related issue to CVE-2013-4288.
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:CWE-264
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2013-1062

Source: SECUNIA
Type: Vendor Advisory
54907

Source: UBUNTU
Type: Vendor Advisory
USN-1962-1

Source: XF
Type: UNKNOWN
ubuntusystemservice-cve20131062-sec-bypass(87853)

Source: CCN
Type: Ubuntu Web site
ubuntu-system-service

Vulnerable Configuration:Configuration 1:
  • cpe:/o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/a:michael_vogt:ubuntu-system-service:0.2.2:*:*:*:*:*:*:*
  • OR cpe:/a:michael_vogt:ubuntu-system-service:0.2.3:*:*:*:*:*:*:*
  • OR cpe:/a:michael_vogt:ubuntu-system-service:0.2.4:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:*
  • OR cpe:/a:michael_vogt:ubuntu-system-service:0.2.4:*:*:*:*:*:*:*
  • OR cpe:/a:michael_vogt:ubuntu-system-service:0.2.3:*:*:*:*:*:*:*
  • OR cpe:/a:michael_vogt:ubuntu-system-service:0.2.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:19366
    P
    		USN-1962-1 -- ubuntu-system-service vulnerability
    2014-06-30
    oval:com.ubuntu.precise:def:20131062000
    V
    		CVE-2013-1062 on Ubuntu 12.04 LTS (precise) - medium.
    2013-10-03
    BACK
    canonical ubuntu linux 12.04 -
    canonical ubuntu linux 12.10
    canonical ubuntu linux 13.04
    michael_vogt ubuntu-system-service 0.2.2
    michael_vogt ubuntu-system-service 0.2.3
    michael_vogt ubuntu-system-service 0.2.4
    canonical ubuntu linux 12.04
    canonical ubuntu linux 12.10
    canonical ubuntu linux 13.04
    michael_vogt ubuntu-system-service 0.2.4
    michael_vogt ubuntu-system-service 0.2.3
    michael_vogt ubuntu-system-service 0.2.2