[SECURITY] [DSA 3488-1] libssh security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3488-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso February 23, 2016 https://www.debian.org/security/faq -...

UBUNTU-CVE-2016-0739

libssh before 0.7.3 improperly truncates ephemeral secrets generated for the 1 diffie-hellman-group1 and 2 diffie-hellman-group14 key exchange methods to 128 bits, which makes it easier for man-in-the-middle attackers to decrypt or intercept SSH sessions via unspecified vectors, aka a "bits/bytes...

libssh: man-in-the-middle

libssh versions 0.1 and above have a bits/bytes confusion bug and generate the an anormaly short ephemeral secret for the diffie-hellman-group1 and diffie-hellman-group14 key exchange methods. The resulting secret is 128 bits long, instead of the recommended sizes of 1024 and 2048 bits...

Adobe Flash - Out-of-Bounds Image Read

Exploit for multiple platform in category dos / poc Source: https://code.google.com/p/google-security-research/issues/detail?id=630 The attached file can cause an out-of-bounds read of an image. While the bits of the image are null, the width, height and other values can make it a valid pointer...

libpng: Buffer overflow vulnerabilities in png_get_PLTE/png_set_PLTE functions

It was discovered that the pnggetPLTE and pngsetPLTE functions of libpng did not correctly calculate the maximum palette sizes for bit depths of less than 8. In case an application tried to use these functions in combination with properly calculated palette sizes, this could lead to a buffer...

MS KB3118753: Update for ActiveX Kill Bits

The remote Windows host is missing one or more kill bits for ActiveX controls that are known to contain vulnerabilities. If any of these ActiveX controls are ever installed on the remote host, either now or in the future, they would expose the host to various security issues. Note that the affect...

SSH Diffie-Hellman Modulus <= 1024 Bits (Logjam)

The remote SSH server allows connections with one or more Diffie-Hellman moduli less than or equal to 1024 bits. Through cryptanalysis, a third party can find the shared secret in a short amount of time depending on modulus size and attacker resources. This allows an attacker to recover the...

Internet Bug Bounty: Integer overflow in unserialize() (32-bits only)

https://bugs.php.net/bug.php?id=68044...

Updated vlc packages fix security vulnerability

Loren Maggiore of Trail of Bits discovered that the 3GP parser of VLC, a multimedia player and streamer, could dereference an arbitrary pointer due to insufficient restrictions on a writable buffer. This could allow remote attackers to execute arbitrary code via crafted 3GP files CVE-2015-5949...

FreeBSD : vlc -- arbitrary pointer dereference vulnerability (a0a4e24c-4760-11e5-9391-3c970e169bc2)

oCERT reports : The stable VLC version suffers from an arbitrary pointer dereference vulnerability. The vulnerability affects the 3GP file format parser, insufficient restrictions on a writable buffer can be exploited to execute arbitrary code via the heap memory. A specific 3GP file can be craft...

vlc -- arbitrary pointer dereference vulnerability

oCERT reports: The stable VLC version suffers from an arbitrary pointer dereference vulnerability. The vulnerability affects the 3GP file format parser, insufficient restrictions on a writable buffer can be exploited to execute arbitrary code via the heap memory. A specific 3GP file can be crafte...

MGASA-2015-0310 Updated qemu package fixes security vulnerability

Matt Tait discovered that QEMU incorrectly handled the virtual PCNET driver. A malicious guest could use this issue to cause a denial of service, or possibly execute arbitrary code on the host as the user running the QEMU process CVE-2015-3209. Kurt Seifried discovered that QEMU incorrectly handl...

Thunderstrike 2 Mac OS X Firmware Worm

A new attack against Intel firmware running in Apple computers is expected to be unveiled at this week’s Black Hat conference. The research is an extension of the Thunderstrike Mac OS X firmware bootkit disclosed this spring that enables the undetectable installation of malicious firmware that...

SSL/TLS: "Invariance Weakness" vulnerability in RC4 stream cipher

The RC4 algorithm, as used in the TLS protocol and SSL protocol, does not properly combine state data with key data during the initialization phase, which makes it easier for remote attackers to conduct plaintext-recovery attacks against the initial bytes of a stream by sniffing network traffic...

SSL/TLS: "Invariance Weakness" vulnerability in RC4 stream cipher

The RC4 algorithm, as used in the TLS protocol and SSL protocol, does not properly combine state data with key data during the initialization phase, which makes it easier for remote attackers to conduct plaintext-recovery attacks against the initial bytes of a stream by sniffing network traffic...

FreeBSD : xen-tools -- PCI MSI mask bits inadvertently exposed to guests (4db8a0f4-27e9-11e5-a4a5-002590263bf5)

The Xen Project reports : The mask bits optionally available in the PCI MSI capability structure are used by the hypervisor to occasionally suppress interrupt delivery. Unprivileged guests were, however, nevertheless allowed direct control of these bits. Interrupts may be observed by Xen at...

CentOS Update for nss-util CESA-2015:1185 centos6

Check the version of nss-util SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription scriptoid"1.3.6.1.4.1.25623.1.0.882208";...

Debian DSA-3284-1 : qemu - security update

Several vulnerabilities were discovered in qemu, a fast processor emulator. - CVE-2015-3209 Matt Tait of Google's Project Zero security team discovered a flaw in the way QEMU's AMD PCnet Ethernet emulation handles multi-TMD packets with a length above 4096 bytes. A privileged guest user in a gues...

Citrix XenServer Multiple Security Updates (CTX201145)

A number of security vulnerabilities have been identified in Citrix XenServer that may allow a malicious administrator of a guest VM to crash the host. These vulnerabilities affect all currently supported versions of Citrix XenServer up to and including Citrix XenServer 6.5 Service Pack 1...

USN-2630-1 qemu, qemu-kvm vulnerabilities

Matt Tait discovered that QEMU incorrectly handled the virtual PCNET driver. A malicious guest could use this issue to cause a denial of service, or possibly execute arbitrary code on the host as the user running the QEMU process. In the default installation, when QEMU is used with libvirt,...