Deserialization in Fedoraproject Fedora
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.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (34.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Fedoraproject Fedora — versions 15
- Red Hat System-Config-Firewall
Weakness classification (CWE)
References
- lists.fedoraproject.org/pipermail/package-announce/2011-August/063314.html (vendor-advisory, Mailing List)
- exchange.xforce.ibmcloud.com/vulnerabilities/68734 (VDB Entry, Third Party Advisory, vdb-entry)
- www.openwall.com/lists/oss-security/2011/07/18/6 (mailing-list, Mailing List)
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
- www.redhat.com/support/errata/RHSA-2011-0953.html (vendor-advisory, Not Applicable)
- www.securityfocus.com/bid/48715 (vdb-entry, Broken Link)
- securitytracker.com/id (vdb-entry, Broken Link)
- secunia.com/advisories/45294 (Not Applicable, third-party-advisory)
Frequently asked questions
- What is CVE-2011-2520?
- CVE-2011-2520 is a high-severity vulnerability in Fedoraproject Fedora, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2011-07-21.
- How severe is CVE-2011-2520?
- High severity. CVSS v3 base score is 7.8 out of 10.