National Vulnerability Database (NVD) National Vulnerability Database (CVE-2009-1379)

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NVD is the U.S. government repository of standards based vulnerability management data. This data enables automation of vulnerability management, security measurement, and compliance (e.g. FISMA).

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NVD contains:

CVE Vulnerabilities: 38433
Checklists: 128
US-CERT Alerts: 179
US-CERT Vuln Notes: 2345
OVAL Queries: 2517
CPE Names: 17819

Last updated: Tue Aug 25 21:00:37 EDT 2009

CVE Publication rate: 17.47

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Vulnerability Workload Index: 10.37

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Vulnerability Summary for CVE-2009-1379

Original release date:05/19/2009

Last revised:07/15/2009

Source: US-CERT/NIST

Overview

Use-after-free vulnerability in the dtls1_retrieve_buffered_fragment function in ssl/d1_both.c in OpenSSL 1.0.0 Beta 2 allows remote attackers to cause a denial of service (openssl s_client crash) and possibly have unspecified other impact via a DTLS packet, as demonstrated by a packet from a server that uses a crafted server certificate.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)

Impact Subscore: 2.9

Exploitability Subscore: 10.0

CVSS Version 2 Metrics:

Access Vector: Network exploitable

Access Complexity: Low

**NOTE: Access Complexity scored Low due to insufficient information

Authentication: Not required to exploit

Impact Type:Allows disruption of serviceUnknown

Vendor Statments (disclaimer)

Official Statement from Red Hat (06/02/2009): This issue did not affect versions of openssl as shipped in Red Hat Enterprise Linux 3 and 4. This issue affects openssl version as shipped in Red Hat Enterprise Linux 5 and it will be addressed in the openssl packages update in Red Hat Enterprise Linux 5.4. There is no update planned before than, as both DTLS specification and OpenSSLs implementation is still in development and unlikely to be used in production environments. There is no component shipped in Red Hat Enterprise Linux 5 using OpenSSLs DTLS implementation, except for OpenSSLs testing command line client - openssl.

References to Advisories, Solutions, and Tools

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External Source: MISC

Name: https://launchpad.net/bugs/cve/2009-1379

Hyperlink:https://launchpad.net/bugs/cve/2009-1379

External Source: XF

Name: openssl-dtls1retrievebufferedfragment-dos(50661)

Hyperlink:http://xforce.iss.net/xforce/xfdb/50661

External Source: VUPEN

Name: ADV-2009-1377

Hyperlink:http://www.vupen.com/english/advisories/2009/1377

External Source: UBUNTU

Name: USN-792-1

Hyperlink:http://www.ubuntu.com/usn/USN-792-1