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CVE-2011-2520 Details

Description

fw_dbus.py 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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063314.html	CVE	Mailing List
https://bugzilla.redhat.com/show_bug.cgi?id=717985	CVE	Issue Tracking
http://secunia.com/advisories/45294	CVE	Not Applicable
http://securitytracker.com/id?1025793	CVE	Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/68734	CVE	Third Party AdvisoryVDB Entry
http://www.openwall.com/lists/oss-security/2011/07/18/6	CVE	Mailing List
http://www.redhat.com/support/errata/RHSA-2011-0953.html	CVE	Not Applicable
http://www.securityfocus.com/bid/48715	CVE	Broken Link
http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063314.html	[email protected]	Mailing List
https://bugzilla.redhat.com/show_bug.cgi?id=717985	[email protected]	Issue Tracking
http://secunia.com/advisories/45294	[email protected]	Not Applicable
http://securitytracker.com/id?1025793	[email protected]	Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/68734	[email protected]	Third Party AdvisoryVDB Entry
http://www.openwall.com/lists/oss-security/2011/07/18/6	[email protected]	Mailing List
http://www.redhat.com/support/errata/RHSA-2011-0953.html	[email protected]	Not Applicable
http://www.securityfocus.com/bid/48715	[email protected]	Broken Link

see all 16 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-502	Deserialization of Untrusted Data	[email protected]

Affected Products

Product	Versions
redhat system-config-firewall	<= 1.2.29
CPE cpe:2.3:a:redhat:system-config-firewall:::::::: Remediation No remediation found in references.
fedoraproject fedora	15
CPE cpe:2.3:o:fedoraproject:fedora:15:::::::* Remediation No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 29, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jan 21, 2024	Modified Analysis	[email protected]
Feb 13, 2023	CVE Modified	[email protected]
Feb 2, 2023	CVE Modified	[email protected]
Aug 29, 2017	CVE Modified	[email protected]
Jul 22, 2011	Initial Analysis	[email protected]