Brand-New SystemBC Proxy Malware Spotted Using SOCKS5 for Stealth

A previously undocumented proxy malware, dubbed “SystemBC,” is upping the stealth game by using SOCKS5 to evade detection. It’s being distributed by the Fallout and RIG exploit kits EKs, according to researchers. Proofpoint researchers said on Thursday that in the most recently tracked example, t...

Exploit kits: summer 2019 review

In the months since our last spring review, there has been some interesting activity from several exploit kits. While the playing field remains essentially the same with Internet Explorer and Flash Player as the most-commonly-exploited pieces of software, it is undeniable that there has been a...

SUSE SLED15 / SLES15 Security Update : ucode-intel (SUSE-SU-2019:1910-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

This update for ucode-intel fixes the following issues : This update contains the Intel QSR 2019.1 Microcode release bsc1111331 Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSBDS...

SUSE SLED15 / SLES15 Security Update : ucode-intel (SUSE-SU-2019:1909-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

This update for ucode-intel fixes the following issues : This update contains the Intel QSR 2019.1 Microcode release bsc1111331 Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSBDS...

Oracle Linux 7 : qemu (ELSA-2019-4713)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-4713 advisory. - Document CVEs as fixed: CVE-2017-9524, CVE-2017-6058, CVE-2017-5931 Mark Kanda Orabug: 29886908 CVE-2017-5931 CVE-2017-6058 CVE-2017-9524 - pvrdma:...

Oracle Linux 7 : libvirt (ELSA-2019-4714)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-4714 advisory. - api: disallow virDomainSaveImageGetXMLDesc on read-only connections Jan Tomko Orabug: 29955742 CVE-2019-10161 - api: disallow...

CB TAU Threat Intelligence Notification: Maze Ransomware

Maze Ransomware, also known as ChaCha Ransomware, has been discovered being distributed by the Fallout exploit kit. After the encryption, it will create a ransom note named ‘DECRYPT-FILES.html’ in each of the encrypted file’s folders. The bottom of the ransom note is a base64 string which contain...

Linux Kernel Detection of MDS vulnerabilities (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

According to the remote Linux kernel, this system is vulnerable to the following information disclosure vulnerabilities: - MSBDS leaks Store Buffer Entries which can be speculatively forwarded to a dependent load store-to-load forwarding as an optimization. The forward can also happen to a faulti...

SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2019:1550-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) (SACK Panic) (SACK Slowness) (Spectre)

The SUSE Linux Enterprise 15 SP1 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2019-12819: The function mdiobusregister called putdevice, which triggered a fixedmdiobusinit use-after-free. This would cause a denial of service. bsc1138291...

SUSE SLES12 Security Update : libvirt (SUSE-SU-2019:1452-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

This update for libvirt fixes the following issues : Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSBDS CVE-2018-12127: Microarchitectural Fill Buffer Data Sampling MFBDS...

Citrix XenServer Microarchitectural Data Sampling Speculative Side-Channel Vulnerabilities (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) (CTX2251995)

The version of Citrix XenServer running on the remote host is missing a security hotfix. It is, therefore, affected by microarchitectural data sampling speculative side-channel vulnerabilities. These vulnerabilities may allow a local attacker on a guest machine to sample the contents of memory...

SUSE SLES12 Security Update : xen (SUSE-SU-2019:1349-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

This update for xen fixes the following issues : Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSBDS CVE-2018-12127: Microarchitectural Fill Buffer Data Sampling MFBDS...

SUSE SLED15 / SLES15 Security Update : ucode-intel (SUSE-SU-2019:1313-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

This update for ucode-intel fixes the following issues : The Intel CPU Microcode was updated to the official QSR 2019.1 Microcode release bsc1111331 CVE-2018-12126 CVE-2018-12130 CVE-2018-12127 CVE-2019-11091 ---- new platforms ---------------------------------------- VLV C0 6-37-8/02 00000838 At...

Ubuntu 16.04 LTS / 18.04 LTS : Intel Microcode update (USN-3977-2)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3977-2 advisory. USN-3977-1 provided mitigations for Microarchitectural Data Sampling MDS vulnerabilities in Intel Microcode for a large number of Intel...

Intel Fixes Critical, High-Severity Flaws Across Several Products

Intel has issued an updated advisory for more than 30 fixes addressing vulnerabilities across various products – including a critical flaw in Intel’s converged security and management engine CSME that could enable privilege-escalation. The bug CVE-2019-0153 exists in a subsystem of Intel CSME,...

openSUSE Security Update : the Linux Kernel (openSUSE-2019-1407) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

The openSUSE Leap 42.3 kernel was updated to 4.4.179 to receive various security and bugfixes. Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 - CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSBDS - CVE-2018-12127:...

openSUSE Security Update : qemu (openSUSE-2019-1420) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

This update for qemu fixes the following issues : - CVE-2018-12126 CVE-2018-12127 CVE-2018-12130 CVE-2019-11091: Added x86 cpu feature 'md-clear' bsc1111331 This update was imported from the SUSE:SLE-12-SP3:Update update project. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptiv...

Fedora 30 : xen (2019-6458474bf2) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

Microarchitectural Data Sampling speculative side channel XSA-297, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091 additional patches so above applies cleanly work around grub2 issues in dom0 Note that Tenable Network Security has extracted the preceding description block directly...

SUSE SLES12 Security Update : kernel (SUSE-SU-2019:1287-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

The SUSE Linux Enterprise 12 SP2 kernel was updated to receive various security and bugfixes. Four new speculative execution information leak issues have been identified in Intel CPUs. bsc1111331 CVE-2018-12126: Microarchitectural Store Buffer Data Sampling MSBDS CVE-2018-12127: Microarchitectura...

Scientific Linux Security Update : kernel on SL7.x x86_64 (20190514) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

Security Fixes : - A flaw was found in the implementation of the 'fill buffer', a mechanism used by modern CPUs when a cache-miss is made on L1 CPU cache. If an attacker can generate a load operation that would create a page fault, the execution will continue speculatively with incorrect data fro...