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CVE-2011-2520

Date: July 21, 2011

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.

Severity Score

Related Resources (11)

https://exchange.xforce.ibmcloud.com/vulnerabilities/68734
http://www.openwall.com/lists/oss-security/2011/07/18/6
http://www.redhat.com/support/errata/RHSA-2011-0953.html
http://securitytracker.com/id?1025793
http://secunia.com/advisories/45294
https://nvd.nist.gov/vuln/detail/CVE-2011-2520
https://bugzilla.redhat.com/show_bug.cgi?id=717985
https://access.redhat.com/security/cve/CVE-2011-2520
http://www.securityfocus.com/bid/48715
http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063314.html
https://www.mend.io/vulnerability-database/CVE-2011-2520

Severity Score

Weakness Type (CWE)

Deserialization of Untrusted Data

CWE-502

Permissions, Privileges, and Access Control

CWE-264

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): HIGH
Authentication (AU): SINGLE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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