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Vulnerability Details : CVE-2012-3547

Stack-based buffer overflow in the cbtls_verify function in FreeRADIUS 2.1.10 through 2.1.12, when using TLS-based EAP methods, allows remote attackers to cause a denial of service (server crash) and possibly execute arbitrary code via a long "not after" timestamp in a client certificate.
Publish Date : 2012-09-18 Last Update Date : 2017-08-28
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceExecute CodeOverflow
CWE ID 119

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
2.3
AV:N/AC:L/Au:N/C:N/I:N/A:P 2012-08-29 2012-09-10
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- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2012-1326 -- freeradius security update (moderate) oval:org.mitre.oval:def:27626 unix
DEPRECATED: ELSA-2012-1327 -- freeradius2 security update (moderate) oval:org.mitre.oval:def:27691 unix
DSA-2546-1 freeradius - code execution oval:org.mitre.oval:def:18422 unix
ELSA-2012:1326: freeradius security update (Moderate) oval:org.mitre.oval:def:23865 unix
ELSA-2012:1327: freeradius2 security update (Moderate) oval:org.mitre.oval:def:23265 unix
RHSA-2012:1326: freeradius security update (Moderate) oval:com.redhat.rhsa:def:20121326 unix
RHSA-2012:1326: freeradius security update (Moderate) oval:org.mitre.oval:def:21574 unix
RHSA-2012:1327: freeradius2 security update (Moderate) oval:com.redhat.rhsa:def:20121327 unix
RHSA-2012:1327: freeradius2 security update (Moderate) oval:org.mitre.oval:def:21299 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-2012-3547

# Product Type Vendor Product Version Update Edition Language
1 Application Freeradius Freeradius 2.1.10 Version Details Vulnerabilities
2 Application Freeradius Freeradius 2.1.11 Version Details Vulnerabilities
3 Application Freeradius Freeradius 2.1.12 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Freeradius Freeradius 3

- References For CVE-2012-3547

http://www.securitytracker.com/id?1027509
SECTRACK 1027509
http://www.ubuntu.com/usn/USN-1585-1
UBUNTU USN-1585-1
https://exchange.xforce.ibmcloud.com/vulnerabilities/78408
XF freeradius-cbtlsverify-bo(78408)
http://rhn.redhat.com/errata/RHSA-2012-1327.html
REDHAT RHSA-2012:1327
http://www.debian.org/security/2012/dsa-2546
DEBIAN DSA-2546
http://www.mandriva.com/security/advisories?name=MDVSA-2012:159
MANDRIVA MDVSA-2012:159
http://www.openwall.com/lists/oss-security/2012/09/10/2
MLIST [oss-security] 20120910 [PRE-SA-2012-06] FreeRADIUS: Stack Overflow in TLS-based EAP Methods
http://www.pre-cert.de/advisories/PRE-SA-2012-06.txt
http://www.securityfocus.com/bid/55483
BID 55483 FreeRADIUS Multiple Stack Based Buffer Overflow Vulnerabilities Release Date:2013-11-14
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00023.html
SUSE openSUSE-SU-2012:1200
http://rhn.redhat.com/errata/RHSA-2012-1326.html
REDHAT RHSA-2012:1326
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090171.html
FEDORA FEDORA-2012-15743
http://freeradius.org/security.html CONFIRM
http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html
APPLE APPLE-SA-2013-10-22-5
http://archives.neohapsis.com/archives/bugtraq/2012-09/0043.html
BUGTRAQ 20120910 [PRE-SA-2012-06] FreeRADIUS: Stack Overflow in TLS-based EAP Methods

- Metasploit Modules Related To CVE-2012-3547

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


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