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CVE-2013-6449

Status Candidate

Overview

The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client.

Related Files

Gentoo Linux Security Advisory 201412-39
Posted Dec 26, 2014
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201412-39 - Multiple vulnerabilities have been found in OpenSSL, the worst of which could result in Denial of Service or Man-in-the-Middle attacks. Versions less than 1.0.1j are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2013-6449, CVE-2013-6450, CVE-2014-3505, CVE-2014-3506, CVE-2014-3507, CVE-2014-3509, CVE-2014-3510, CVE-2014-3511, CVE-2014-3512, CVE-2014-3513, CVE-2014-3567, CVE-2014-3568, CVE-2014-5139
MD5 | e0e683c2c26350bc4057f6847954bb6e
HP Security Bulletin HPSBMU02998 4
Posted May 13, 2014
Authored by HP | Site hp.com

HP Security Bulletin HPSBMU02998 4 - Potential security vulnerabilities have been identified with HP System Management Homepage (SMH) running on Linux and Windows. The vulnerabilities could be exploited remotely resulting in Denial of Service (DoS). Also included is the OpenSSL vulnerability known as "Heartbleed" which could be exploited remotely resulting in disclosure of information. Revision 4 of this advisory.

tags | advisory, denial of service, vulnerability
systems | linux, windows
advisories | CVE-2013-4353, CVE-2013-6449, CVE-2013-6450, CVE-2014-0160
MD5 | 676682c7b3444cd10fb1f2de91bdafe1
HP Security Bulletin HPSBMU02998 3
Posted May 3, 2014
Authored by HP | Site hp.com

HP Security Bulletin HPSBMU02998 3 - Potential security vulnerabilities have been identified with HP System Management Homepage (SMH) running on Linux and Windows. The vulnerabilities could be exploited remotely resulting in Denial of Service (DoS). Also included is the OpenSSL vulnerability known as "Heartbleed" which could be exploited remotely resulting in disclosure of information. Revision 3 of this advisory.

tags | advisory, denial of service, vulnerability
systems | linux, windows
advisories | CVE-2013-4353, CVE-2013-6449, CVE-2013-6450, CVE-2014-0160
MD5 | 1a919ddbb8354aa5a2f4fdad1eb24522
HP Security Bulletin HPSBMU02998 2
Posted Apr 17, 2014
Authored by HP | Site hp.com

HP Security Bulletin HPSBMU02998 2 - Potential security vulnerabilities have been identified with HP System Management Homepage (SMH) running on Linux and Windows. The vulnerabilities could be exploited remotely resulting in Denial of Service (DoS). Also included is the OpenSSL vulnerability known as "Heartbleed" which could be exploited remotely resulting in disclosure of information. Revision 2 of this advisory.

tags | advisory, denial of service, vulnerability
systems | linux, windows
advisories | CVE-2013-4353, CVE-2013-6449, CVE-2013-6450, CVE-2014-0160
MD5 | 7c105f0e88710253eeeddfeb03a62f77
Red Hat Security Advisory 2014-0041-01
Posted Jan 22, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0041-01 - The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor is a dedicated Kernel-based Virtual Machine hypervisor. It includes everything necessary to run and manage virtual machines: a subset of the Red Hat Enterprise Linux operating environment and the Red Hat Enterprise Virtualization Agent. Note: Red Hat Enterprise Virtualization Hypervisor is only available for the Intel 64 and AMD64 architectures with virtualization extensions. Upgrade Note: If you upgrade Red Hat Enterprise Virtualization Hypervisor 6.4 to version 6.5 through the 3.3 Manager administration portal, configuration of the previous system appears to be lost when reported in the TUI. However, this is an issue in the TUI itself, not in the upgrade process; the configuration of the system is not affected.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2013-4353, CVE-2013-5605, CVE-2013-5606, CVE-2013-6449
MD5 | 72012108b4e0ac9994ca135048cea149
FreeBSD Security Advisory - OpenSSL Issues
Posted Jan 15, 2014
Site security.freebsd.org

FreeBSD Security Advisory - A carefully crafted invalid TLS handshake could crash OpenSSL with a NULL pointer exception. A flaw in DTLS handling can cause an application using OpenSSL and DTLS to crash. A flaw in OpenSSL can cause an application using OpenSSL to crash when using TLS version 1.2.

tags | advisory
systems | freebsd
advisories | CVE-2013-6449, CVE-2013-4353, CVE-2013-6450
MD5 | 4ecd654abd0aaee44e4ef6858c4cc839
Slackware Security Advisory - openssl Updates
Posted Jan 14, 2014
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New openssl packages are available for Slackware 14.0, 14.1, and -current to fix security issues.

tags | advisory
systems | linux, slackware
advisories | CVE-2013-4353, CVE-2013-6449, CVE-2013-6450
MD5 | 1b294b565d775225cf378b80a21e66d3
Ubuntu Security Notice USN-2079-1
Posted Jan 10, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2079-1 - Anton Johansson discovered that OpenSSL incorrectly handled certain invalid TLS handshakes. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service. Ron Barber discovered that OpenSSL used an incorrect data structure to obtain a version number. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service. Dmitry Sobinov discovered that OpenSSL incorrectly handled certain DTLS retransmissions. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2013-4353, CVE-2013-6449, CVE-2013-6450, CVE-2013-4353, CVE-2013-6449, CVE-2013-6450
MD5 | 72a1dfbc1ac072c13c703fd064617332
Red Hat Security Advisory 2014-0015-01
Posted Jan 9, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0015-01 - 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. A flaw was found in the way OpenSSL determined which hashing algorithm to use when TLS protocol version 1.2 was enabled. This could possibly cause OpenSSL to use an incorrect hashing algorithm, leading to a crash of an application using the library. It was discovered that the Datagram Transport Layer Security protocol implementation in OpenSSL did not properly maintain encryption and digest contexts during renegotiation. A lost or discarded renegotiation handshake packet could cause a DTLS client or server using OpenSSL to crash.

tags | advisory, protocol
systems | linux, redhat
advisories | CVE-2013-4353, CVE-2013-6449, CVE-2013-6450
MD5 | a43d3d2af1a56694b28e8150c429bc4f
Debian Security Advisory 2833-1
Posted Jan 3, 2014
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2833-1 - was susceptible to denial of service and retransmission of DTLS messages was fixed. In addition this updates disables the insecure Dual_EC_DRBG algorithm and no longer uses the RdRand feature available on some Intel CPUs as a sole source of entropy unless explicitly requested.

tags | advisory, denial of service
systems | linux, debian
advisories | CVE-2013-6449, CVE-2013-6450
MD5 | 742564a63373e7f7bbb1cc8bab905ada
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