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Security Leftovers

Submitted by Roy Schestowitz on Wednesday 7th of July 2021 08:48:55 PM Filed under
Security
  • Security updates for Wednesday

    Security updates have been issued by Fedora (glibc), Gentoo (doas, firefox, glib, schismtracker, and tpm2-tss), Mageia (httpcomponents-client), openSUSE (virtualbox), Red Hat (linuxptp), Scientific Linux (linuxptp), and Ubuntu (libuv1 and php7.2, php7.4).

  • Evasive Techniques Used By Malicious Linux Shell Scripts

    In our previous blog, we discussed the common utilities in Linux which are generally used by threat actors in the attack chain. This blog discusses the common defense evasion techniques which are mostly used in malicious shell scripts and how Uptycs detects them.

  • Microsoft struggles to wake from its PrintNightmare: Latest print spooler patch can be bypassed, researchers say

    Any celebrations that Microsoft's out-of-band patch had put a stop PrintNightmare shenanigans may have been premature.

    The emergency update turned up yesterday for a variety of Microsoft operating systems; little-used products like Windows Server 2012 and 2016 were excluded from the interim release.

    While it initially appeared the remote-code execution (RCE) aspect of the security bug had been resolved, the local privilege escalation (LPE) hole remained, judging by the findings of a number of security researchers.

  • Microsoft patches PrintNightmare – even on Windows 7 – but the terror isn't over

    Microsoft has issued out-of-band patches for the PrintNightmare bug that allows remote and local Windows users to execute code as SYSTEM on boxes running the print spooler service, including domain controllers.

    The bug, designated CVE-2021-34527, is present in all versions of Windows.

    However, Microsoft's advisory states: "Updates are not yet available for Windows 10 version 1607, Windows Server 2016, or Windows Server 2012."

  • Mega-distie SYNNEX attacked and Microsoft cloud accounts it tends tampered

    Technology distributor SYNNEX has admitted that its systems and Microsoft accounts it tends have been attacked, after the National Committee of the US Republican Party (RNC) named it as the source of a recent security incident.

    Bloomberg on Tuesday reported that APT 29, aka Cozy Bear, last week attacked the RNC which, as the organising entity of the US Republican Party, holds all sorts of interesting and sensitive data. Cozy Bear was also named as the entity behind the supply chain attack on SolarWinds

  • Kaseya’s VSA SaaS restart fails, service restoration delayed by at least ten hours

    Kaseya’s attempt to recover its SaaS services has failed, and its CEO has attempted to play down the significance of the incident that has seen its VSA services offline since July 2nd and over 1,000 ransomware infections.

    [...]

    The company had previously advised that SaaS restoration had commenced, with individual SaaS servers due to come online “throughout the night US time”. “All systems will be online and accessible by July 7th 6AM US EDT,” the advice stated.

    Now the company says its next update will come at 8AM US EDT. It has offered no information on likely time of restoration or the nature of the issue that has slowed the SaaS rollout. Nor has Kaseya said if its promise to patch its on-premises VSA software within 24 hours of SaaS restoration remains in force.

  • The 10 best books on computer security | FOSS Linux

    The term computer security is also synonymous with Cybersecurity and information technology security. It relates to protecting, preventing, and understanding the threats that can cause harm to both a networked computer system and a configured information system. The security threat can result from the theft of data on such systems or their unauthorized use.

    A computer system is defined by both hardware and software. Since computer hardware is also equally valuable, the protection of sensitive computer hardware parts is easily achievable through alarms, locks, and serial numbers. On the other hand, achieving data protection and authenticated system access is not straightforward. It requires complex security tactics and algorithms.

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