USN-3339-1: OpenVPN vulnerabilities

Karthikeyan Bhargavan and Gaëtan Leurent discovered that 64-bit block ciphers are vulnerable to a birthday attack. A remote attacker could possibly use this issue to recover cleartext data. Fixing this issue requires a configuration change to switch to a different cipher. This update adds a warni...

SUSE SLED12 / SLES12 Security Update : openvpn (SUSE-SU-2017:1635-1)

This update for openvpn fixes the following issues : - Some parts of the certificate-parsing code did not always clear all allocated memory. This would have allowed clients to leak a few bytes of memory for each connection attempt, thereby facilitating a quite inefficient DoS attack on the server...

EulerOS 2.0 SP2 : java-1.7.0-openjdk (EulerOS-SA-2017-1099)

According to the versions of the java-1.7.0-openjdk packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - An untrusted library search path flaw was found in the JCE component of OpenJDK. A local attacker could possibly use this flaw to...

SUSE-SU-2017:1444-1 Security update for java-1_6_0-ibm

This update for java-160-ibm fixes the following issues: - CVE-2016-9840: zlib: Out-of-bounds pointer arithmetic in inftrees.c - CVE-2016-9841: zlib: Out-of-bounds pointer arithmetic in inffast.c - CVE-2016-9842: zlib: Undefined left shift of negative number - CVE-2016-9843: zlib: Big-endian...

How to Disable Single Sign-On in NetScaler

This article describes how to disable Single Sign-On in NetScaler. Background In XenMobile, in some use cases the app may want to perform NTLM authentication of a user that was not used during enrollment. In such situation, the app uses Full Tunnel mode and so would like to send the credentials...

CentOS 6 / 7 : java-1.7.0-openjdk (CESA-2017:1204)

An update for java-1.7.0-openjdk is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, i...

EulerOS 2.0 SP1 : java-1.8.0-openjdk (EulerOS-SA-2017-1073)

According to the versions of the java-1.8.0-openjdk packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - An untrusted library search path flaw was found in the JCE component of OpenJDK. A local attacker could possibly use this flaw to...

MS16-075 Windows SMB Server Elevation of Privilege Vulnerability (CVE-2016-3225)

Overview As we mentioned a number of times throughout our talk, this work is derived directly from James Forshaw’s BlackHat talk and Google Project Zero research. I highly recommend reviewing both of these resources to anyone interested in pursuing this topic. The idea behind this vulnerability i...

OpenJDK: improper re-use of NTLM authenticated connections (Networking, 8163520)

It was discovered that the HTTP client implementation in the Networking component of OpenJDK could cache and re-use an NTLM authenticated connection in a different security context. A remote attacker could possibly use this flaw to make a Java application perform HTTP requests authenticated with...

OpenJDK: improper re-use of NTLM authenticated connections (Networking, 8163520)

It was discovered that the HTTP client implementation in the Networking component of OpenJDK could cache and re-use an NTLM authenticated connection in a different security context. A remote attacker could possibly use this flaw to make a Java application perform HTTP requests authenticated with...

cURL/libcurl 7.x < 7.47.0 Multiple Vulnerabilities

Binary data 9760.prm...

MS16-110: Description of the security update for Windows: September 13, 2016

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MS16-111: Description of the security update for Windows Kernel: September 13, 2016

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CVE-2016-3237

CVE-2016-3237 is a Kerberos authentication bypass in multiple Windows versions where domain password changes may fall back to NTLM, enabling MITM style bypass of authentication. Affected: Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold/R...

NTLM Authentication on NetScaler

With the release of NetScaler 11 build 64.34, the requirements and configuration for NTLM authentication have changed. It is a common use case to authenticate using Kerberos when users are internal on the network but for external users who cannot reach Active Directory, we fallback to NTLM. The...

USN-2950-5 samba regression

USN-2950-1 fixed vulnerabilities in Samba. USN-2950-3 updated Samba to version 4.3.9, which introduced a regression when using the ntlmauth tool. This update fixes the problem. Original advisory details: Jouni Knuutinen discovered that Samba contained multiple flaws in the DCE/RPC implementation....

USN-2950-2 libsoup2.4 update

USN-2950-1 fixed vulnerabilities in Samba. The updated Samba packages introduced a compatibility issue with NTLM authentication in libsoup. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Jouni Knuutinen discovered that Samba contained multiple flaws ...

Ubuntu 14.04 LTS / 16.04 LTS : libsoup update (USN-2950-2)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-2950-2 advisory. USN-2950-1 fixed vulnerabilities in Samba. The updated Samba packages introduced a compatibility issue with NTLM authentication in libsoup. This updat...

MGASA-2016-0050 Updated curl packages fix security vulnerability

libcurl before 7.47.0 will reuse NTLM-authenticated proxy connections without properly making sure that the connection was authenticated with the same credentials as set for this transfer. The effect of this flaw is that the application could be reusing a proxy connection using the previously use...

CVE-2016-0755

The ConnectionExists function in lib/url.c in libcurl before 7.47.0 does not properly re-use NTLM-authenticated proxy connections, which might allow remote attackers to authenticate as other users via a request, a similar issue to CVE-2014-0015...