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Vulnerability Details : CVE-2011-2520 in system-config-firewall 1.2.29 and earlier uses the pickle Python module unsafely during D-Bus communication between the GUI and the backend, which might allow local users to gain privileges via a crafted serialized object.
Publish Date : 2011-07-21 Last Update Date : 2017-08-28
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- CVSS Scores & Vulnerability Types

CVSS Score
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 Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s) Gain privileges
CWE ID 264

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
AV:L/AC:H/Au:S/C:C/I:C/A:C 2011-06-29 2011-07-18
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- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2011-0953 -- system-config-firewall security update (moderate) oval:org.mitre.oval:def:28145 unix
ELSA-2011:0953: system-config-firewall security update (Moderate) oval:org.mitre.oval:def:23291 unix
RHSA-2011:0953: system-config-firewall security update (Moderate) oval:org.mitre.oval:def:21421 unix
RHSA-2011:0953: system-config-firewall security update (Moderate) oval:com.redhat.rhsa:def:20110953 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-2011-2520

# Product Type Vendor Product Version Update Edition Language
1 Application Redhat System-config-firewall 1.2.11 Version Details Vulnerabilities
2 Application Redhat System-config-firewall 1.2.12 Version Details Vulnerabilities
3 Application Redhat System-config-firewall 1.2.14 Version Details Vulnerabilities
4 Application Redhat System-config-firewall 1.2.15 Version Details Vulnerabilities
5 Application Redhat System-config-firewall 1.2.16 Version Details Vulnerabilities
6 Application Redhat System-config-firewall 1.2.17 Version Details Vulnerabilities
7 Application Redhat System-config-firewall 1.2.21 Version Details Vulnerabilities
8 Application Redhat System-config-firewall 1.2.22 Version Details Vulnerabilities
9 Application Redhat System-config-firewall 1.2.23 Version Details Vulnerabilities
10 Application Redhat System-config-firewall 1.2.24 Version Details Vulnerabilities
11 Application Redhat System-config-firewall 1.2.25 Version Details Vulnerabilities
12 Application Redhat System-config-firewall 1.2.26 Version Details Vulnerabilities
13 Application Redhat System-config-firewall 1.2.27 Version Details Vulnerabilities
14 Application Redhat System-config-firewall 1.2.28 Version Details Vulnerabilities
15 Application Redhat System-config-firewall 1.2.29 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Redhat System-config-firewall 15

- References For CVE-2011-2520
XF systemconfigfirewall-priv-escalation(68734)
BID 48715 Red Hat system-config-firewall Local Privilege Escalation Vulnerability Release Date:2011-08-02 CONFIRM
MLIST [oss-security] 20110718 CVE-2011-2520: flaw in system-config-firewall's usage of pickle allows privilege escalation
REDHAT RHSA-2011:0953
SECTRACK 1025793

- Metasploit Modules Related To CVE-2011-2520

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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