Bug 1103600 (CVE-2014-3470) - CVE-2014-3470 openssl: client-side denial of service when using anonymous ECDH
Summary: CVE-2014-3470 openssl: client-side denial of service when using anonymous ECDH
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2014-3470
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1096233 1096234 Engineering1103604 Engineering1103605 Engineering1103632 Engineering1103633 Red Hat1103741 Engineering1104349 Engineering1104350 1127888 1127889
Blocks: Embargoed1103601
TreeView+ depends on / blocked
 
Reported: 2014-06-02 07:48 UTC by Huzaifa S. Sidhpurwala
Modified: 2023-05-12 04:02 UTC (History)
44 users (show)

Fixed In Version: openssl 1.0.1h, openssl 1.0.0m, openssl 0.9.8za
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2014-06-11 05:31:53 UTC

Attachments (Terms of Use)
Upstream patch (791 bytes, patch)
2014-06-02 08:31 UTC, Huzaifa S. Sidhpurwala 		no flags Details | Diff
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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2014:0625 0 normal SHIPPED_LIVE Important: openssl security update 2014-06-05 15:50:21 UTC
Red Hat Product Errata RHSA-2014:0628 0 normal SHIPPED_LIVE Important: openssl security update 2014-06-05 16:12:30 UTC
Red Hat Product Errata RHSA-2014:0679 0 normal SHIPPED_LIVE Important: openssl security update 2014-06-10 16:23:51 UTC

Description Huzaifa S. Sidhpurwala 2014-06-02 07:48:42 UTC 
As per the upstream advisory:

OpenSSL TLS clients enabling anonymous ECDH ciphersuites are subject to a denial of service attack.

OpenSSL 1.0.0 users should upgrade to 1.0.0m.
OpenSSL 1.0.1 users should upgrade to 1.0.1h.


Acknowledgements:

Red Hat would like to thank the OpenSSL project for reporting this issue. Upstream acknowledges Felix Gröbert and Ivan Fratrić of Google as the original reporters of this issue.
Comment 2 Huzaifa S. Sidhpurwala 2014-06-02 08:31:28 UTC 
Created attachment 901376 [details]
Upstream patch
Comment 6 Huzaifa S. Sidhpurwala 2014-06-05 11:32:55 UTC 
Fixed upstream in OpenSSL 1.0.1h, 1.0.0m and 0.9.8za.

External References:

https://www.openssl.org/news/secadv_20140605.txt
Comment 7 Huzaifa S. Sidhpurwala 2014-06-05 11:38:50 UTC 
Upstream commits:

OpenSSL-1.0.1:
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=8011cd56e39a433b1837465259a9bd24a38727fb

OpenSSL-0.9.8:
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=141a5482fdd1944804cc342c1c443362eed8501b
Comment 8 errata-xmlrpc 2014-06-05 11:54:19 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2014:0625 https://rhn.redhat.com/errata/RHSA-2014-0625.html
Comment 9 Huzaifa S. Sidhpurwala 2014-06-05 12:15:40 UTC 
Created openssl tracking bugs for this issue:

Affects: fedora-all [bug 1096233]
Comment 10 Huzaifa S. Sidhpurwala 2014-06-05 12:15:46 UTC 
Created mingw-openssl tracking bugs for this issue:

Affects: fedora-all [bug 1096234]
Comment 11 errata-xmlrpc 2014-06-05 12:16:10 UTC 
This issue has been addressed in following products:

  Red Hat Storage 2.1

Via RHSA-2014:0628 https://rhn.redhat.com/errata/RHSA-2014-0628.html
Comment 12 Huzaifa S. Sidhpurwala 2014-06-05 13:23:48 UTC 
Statement:

This issue does not affect the version of openssl and openssl097a as shipped with Red Hat Enterprise Linux 5. This issue does not affect the openssl098e as shipped with Red Hat Enterprise Linux 6.
Comment 13 Fedora Update System 2014-06-05 21:54:06 UTC 
openssl-1.0.1e-38.fc19 has been pushed to the Fedora 19 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 14 Fedora Update System 2014-06-05 21:55:02 UTC 
openssl-1.0.1e-38.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 15 errata-xmlrpc 2014-06-10 12:28:33 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 7

Via RHSA-2014:0679 https://rhn.redhat.com/errata/RHSA-2014-0679.html
Comment 16 Tomas Hoger 2014-08-07 18:40:04 UTC 
Created mingw32-openssl tracking bugs for this issue:

Affects: epel-5 [bug 1127888]
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