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Category:   Application (VPN)  >   OpenSSL Vendors:   OpenSSL.org
(Oracle Issues Fix for Oracle Linux) OpenSSL Multiple Bugs Let Remote Users Deny Service and Obtain Potentially Sensitive Information
SecurityTracker Alert ID:  1037862
SecurityTracker URL:  http://securitytracker.com/id/1037862
CVE Reference:   CVE-2017-3731   (Links to External Site)
Date:  Feb 21 2017
Impact:   Denial of service via network, Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to versions 1.0.2k, 1.1.0d
Description:   Several vulnerabilities were reported in OpenSSL. A remote user can cause the target service to crash. A remote user can obtain potentially sensitive information on the target system.

A remote user can send a specially crafted truncated packet to the target server or client running on a 32-bit host and using a specific cipher to trigger an out-of-bounds memory read error and cause the service to crash [CVE-2017-3731]. CHACHA20/POLY1305 is affected on version 1.1.0. RC4-MD5 is affected on version 1.0.2.

The vendor was notified on November 13, 2016.

Robert Swiecki of Google reported this vulnerability.

A remote server can supply specially crafted parameters for a DHE or ECDHE key exchange to trigger a null pointer dereference and cause the target client service to crash [CVE-2017-3730]. Version 1.1.0 is affected.

The vendor was notified on January 14, 2017.

Guido Vranken reported this vulnerability.

A remote user can exploit a carry propagation flaw in BN_mod_exp() to potentially determine information about the private key in certain situations [CVE-2017-3732].

Systems configured for persistent DH parameters and sharing a private key between multiple clients are affected.

The vendor was notified on January 15, 201.

The OSS-Fuzz project reported this vulnerability.

Impact:   A remote user can cause the target service to crash.

A remote user can obtain potentially sensitive information on the target system.

Solution:   Oracle has issued a fix for CVE-2017-3731.

The Oracle Linux advisory is available at:

http://linux.oracle.com/errata/ELSA-2017-0286.html

Vendor URL:  linux.oracle.com/errata/ELSA-2017-0286.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Oracle)
Underlying OS Comments:  6, 7

Message History:   This archive entry is a follow-up to the message listed below.
Jan 26 2017 OpenSSL Multiple Bugs Let Remote Users Deny Service and Obtain Potentially Sensitive Information



 Source Message Contents

Date:  Mon, 20 Feb 2017 14:24:27 -0800
Subject:  [El-errata] ELSA-2017-0286 Moderate: Oracle Linux 7 openssl security update

Oracle Linux Security Advisory ELSA-2017-0286

http://linux.oracle.com/errata/ELSA-2017-0286.html

The following updated rpms for Oracle Linux 7 have been uploaded to the 
Unbreakable Linux Network:

x86_64:
openssl-1.0.1e-60.el7_3.1.x86_64.rpm
openssl-devel-1.0.1e-60.el7_3.1.i686.rpm
openssl-devel-1.0.1e-60.el7_3.1.x86_64.rpm
openssl-libs-1.0.1e-60.el7_3.1.i686.rpm
openssl-libs-1.0.1e-60.el7_3.1.x86_64.rpm
openssl-perl-1.0.1e-60.el7_3.1.x86_64.rpm
openssl-static-1.0.1e-60.el7_3.1.i686.rpm
openssl-static-1.0.1e-60.el7_3.1.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol7/SRPMS-updates/openssl-1.0.1e-60.el7_3.1.src.rpm



Description of changes:

[1.0.1e-60.1]
- fix CVE-2017-3731 - DoS via truncated packets with RC4-MD5 cipher
- fix CVE-2016-8610 - DoS of single-threaded servers via excessive alerts


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https://oss.oracle.com/mailman/listinfo/el-errata
 
 


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