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CVE-2017-3736

Status Candidate

Overview

There is a carry propagating bug in the x86_64 Montgomery squaring procedure in OpenSSL before 1.0.2m and 1.1.0 before 1.1.0g. No EC algorithms are affected. Analysis suggests that attacks against RSA and DSA as a result of this defect would be very difficult to perform and are not believed likely. Attacks against DH are considered just feasible (although very difficult) because most of the work necessary to deduce information about a private key may be performed offline. The amount of resources required for such an attack would be very significant and likely only accessible to a limited number of attackers. An attacker would additionally need online access to an unpatched system using the target private key in a scenario with persistent DH parameters and a private key that is shared between multiple clients. This only affects processors that support the BMI1, BMI2 and ADX extensions like Intel Broadwell (5th generation) and later or AMD Ryzen.

Related Files

Red Hat Security Advisory 2018-2713-01
Posted Sep 18, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2713-01 - IBM Java SE version 8 includes the IBM Java Runtime Environment and the IBM Java Software Development Kit. This update upgrades IBM Java SE 8 to version 8 SR5-FP20. Issues addressed include denial of service and traversal vulnerabilities.

tags | advisory, java, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2016-0705, CVE-2017-3732, CVE-2017-3736, CVE-2018-12539, CVE-2018-1517, CVE-2018-1656, CVE-2018-2940, CVE-2018-2952, CVE-2018-2973
MD5 | 3797b81d564b8029513cab464185b869
Red Hat Security Advisory 2018-2575-01
Posted Aug 29, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2575-01 - IBM Java SE version 8 includes the IBM Java Runtime Environment and the IBM Java Software Development Kit. This update upgrades IBM Java SE 8 to version 8 SR5-FP20. Issues addressed include denial of service and traversal vulnerabilities.

tags | advisory, java, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2016-0705, CVE-2017-3732, CVE-2017-3736, CVE-2018-12539, CVE-2018-1517, CVE-2018-1656, CVE-2018-2940, CVE-2018-2952, CVE-2018-2973
MD5 | b076e3e6add0b2926244356e42056864
Red Hat Security Advisory 2018-2568-01
Posted Aug 28, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2568-01 - IBM Java SE version 8 includes the IBM Java Runtime Environment and the IBM Java Software Development Kit. This update upgrades IBM Java SE 8 to version 8 SR5-FP20. Issues addressed include denial of service and traversal vulnerabilities.

tags | advisory, java, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2016-0705, CVE-2017-3732, CVE-2017-3736, CVE-2018-12539, CVE-2018-1517, CVE-2018-1656, CVE-2018-2940, CVE-2018-2952, CVE-2018-2973
MD5 | 3a1822031b490afb1e845767588d47ee
Red Hat Security Advisory 2018-2186-01
Posted Jul 12, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2186-01 - This release adds the new Apache HTTP Server 2.4.29 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.23, and includes bug fixes and enhancements. Issues addressed include a remote SQL injection vulnerability.

tags | advisory, remote, web, sql injection
systems | linux, redhat
advisories | CVE-2016-2182, CVE-2016-6302, CVE-2016-6306, CVE-2016-7055, CVE-2017-3731, CVE-2017-3732, CVE-2017-3736, CVE-2017-3737, CVE-2017-3738
MD5 | fbcdc6c8fce9c2e8b64cdf912a07812c
Red Hat Security Advisory 2018-2185-01
Posted Jul 12, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2185-01 - This release adds the new Apache HTTP Server 2.4.29 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.23, and includes bug fixes and enhancements. Issues addressed include a remote SQL injection vulnerability.

tags | advisory, remote, web, sql injection
systems | linux, redhat
advisories | CVE-2016-2182, CVE-2016-6302, CVE-2016-6306, CVE-2016-7055, CVE-2017-3731, CVE-2017-3732, CVE-2017-3736, CVE-2017-3737, CVE-2017-3738
MD5 | eb9397531418cb50bca46adcac0cd964
Red Hat Security Advisory 2018-2187-01
Posted Jul 12, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2187-01 - This release adds the new Apache HTTP Server 2.4.29 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.23, and includes bug fixes and enhancements. Issues addressed include out-of-bounds access.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2016-2182, CVE-2016-6302, CVE-2016-6306, CVE-2016-7055, CVE-2017-3731, CVE-2017-3732, CVE-2017-3736, CVE-2017-3737, CVE-2017-3738
MD5 | cfa48876e8fac27e42c53afafad2422b
Red Hat Security Advisory 2018-0998-01
Posted Apr 11, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0998-01 - OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength general-purpose cryptography library. Issues addressed include an overflow issue.

tags | advisory, overflow, protocol
systems | linux, redhat
advisories | CVE-2017-3736, CVE-2017-3737, CVE-2017-3738
MD5 | 0460d02f78c5236ec33d13a700d9ec15
Gentoo Linux Security Advisory 201712-03
Posted Dec 15, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201712-3 - Multiple vulnerabilities have been found in OpenSSL, the worst of which may lead to a Denial of Service condition. Versions less than 1.0.2n are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2017-3735, CVE-2017-3736, CVE-2017-3737, CVE-2017-3738
MD5 | 424fb2f54f934bbdb186d90e169c3306
Ubuntu Security Notice USN-3475-1
Posted Nov 6, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3475-1 - It was discovered that OpenSSL incorrectly parsed the IPAddressFamily extension in X.509 certificates, resulting in an erroneous display of the certificate in text format. It was discovered that OpenSSL incorrectly performed the x86_64 Montgomery squaring procedure. While unlikely, a remote attacker could possibly use this issue to recover private keys. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 16.10 and Ubuntu 17.04. Various other issues were also addressed.

tags | advisory, remote
systems | linux, ubuntu
advisories | CVE-2017-3735, CVE-2017-3736
MD5 | 0c64cb5d962437f833874411911c027a
OpenSSL Toolkit 1.0.2m
Posted Nov 4, 2017
Site openssl.org

OpenSSL is a robust, fully featured Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols with full-strength cryptography world-wide.

Changes: bn_sqrx8x_internal carry bug on x86_64 was addressed. A malformed X.509 IPAddressFamily out-of-bounds read was addressed.
tags | tool, encryption, protocol
systems | unix
advisories | CVE-2017-3735, CVE-2017-3736
MD5 | 10e9e37f492094b9ef296f68f24a7666
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