Vulnerability Details : CVE-2011-2520
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.
Exploit prediction scoring system (EPSS) score for CVE-2011-2520
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-2520
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.0
|
MEDIUM | AV:L/AC:H/Au:S/C:C/I:C/A:C |
1.5
|
10.0
|
NIST |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2011-2520
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Assigned by: nvd@nist.gov (Primary)
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The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-2520
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http://securitytracker.com/id?1025793
Red Hat system-config-firewall Lets Local Users Gain Root Privileges - SecurityTrackerBroken Link
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https://exchange.xforce.ibmcloud.com/vulnerabilities/68734
Red Hat system-config-firewall privilege escalation CVE-2011-2520 Vulnerability ReportThird Party Advisory;VDB Entry
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http://www.openwall.com/lists/oss-security/2011/07/18/6
oss-security - CVE-2011-2520: flaw in system-config-firewall's usage of pickle allows privilege escalationMailing List
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https://bugzilla.redhat.com/show_bug.cgi?id=717985
717985 – (CVE-2011-2520) CVE-2011-2520 system-config-firewall: privilege escalation flaw via use of python pickleIssue Tracking
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http://www.securityfocus.com/bid/48715
Red Hat system-config-firewall Local Privilege Escalation VulnerabilityBroken Link
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http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063314.html
[SECURITY] Fedora 15 Update: system-config-firewall-1.2.29-4.fc15Mailing List
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http://www.redhat.com/support/errata/RHSA-2011-0953.html
SupportNot Applicable
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http://secunia.com/advisories/45294
Sign inNot Applicable
Products affected by CVE-2011-2520
- cpe:2.3:a:redhat:system-config-firewall:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:15:*:*:*:*:*:*:*