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Fedora 11: 2009-5452 Critical: DoS Bugs in Openssl DTLS Code

fedora
Calendar Grey June 19, 2009
Dist Fedora Esm H88
Important patch for Fedora 11 resolving DoS vulnerabilities in OpenSSL DTLS protocols. Key amendments are related to CVE-2009-1377, CVE-2009-1378.
Security update fixing DoS bugs in DTLS code

Summary

The OpenSSL toolkit provides support for secure communications between

machines. OpenSSL includes a certificate management tool and shared

libraries which provide various cryptographic algorithms and

protocols.

Update Information:

Security update fixing DoS bugs in DTLS code. CVE-2009-1377 CVE-2009-1378 CVE-2009-1379

Topics%20covered

Topics Covered

security advisory security update fedora critical bug fix DoS openssl

Change Log

* Thu May 21 2009 Tomas Mraz 0.9.8k-5 - fix CVE-2009-1377 CVE-2009-1378 CVE-2009-1379 (DTLS DoS problems) (#501253, #501254, #501572) * Tue Apr 21 2009 Tomas Mraz 0.9.8k-4 - support compatibility DTLS mode for CISCO AnyConnect (#464629) * Fri Apr 17 2009 Tomas Mraz 0.9.8k-3 - correct the SHLIB_VERSION define * Wed Apr 15 2009 Tomas Mraz 0.9.8k-2 - add support for multiple CRLs with same subject - load only dynamic engine support in FIPS mode

References


[ 1 ] Bug #501253 - CVE-2009-1377 OpenSSL: DTLS epoch record buffer memory DoS https://bugzilla.redhat.com/show_bug.cgi?id=501253 [ 2 ] Bug #501254 - CVE-2009-1378 OpenSSL: DTLS fragment handling memory DoS https://bugzilla.redhat.com/show_bug.cgi?id=501254 [ 3 ] Bug #501572 - CVE-2009-1379 OpenSSL: DTLS pointer use-after-free flaw (DoS) https://bugzilla.redhat.com/show_bug.cgi?id=501572

Update Instructions

This update can be installed with the "yum" update program. Use su -c 'yum update openssl' at the command line. For more information, refer to "Managing Software with yum", available at .

Severity
critical
Lowest
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Critical

Name: openssl
Product: Fedora 11
Version: 0.9.8k
Release: 5.fc11
URL: https://www.openssl.org:443/
Summary: A general purpose cryptography library with TLS implementation

Topics%20covered

Topics Covered

security advisory security update fedora critical bug fix DoS openssl

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