March 9, 2021—KB5000853 (Security-only update)

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Arbitrary file upload vulnerability in layui

layui is a front-end UI framework written using its own module specification , follow the native HTML/CSS/JS writing and organization . An arbitrary file upload vulnerability exists in layui, which can be exploited by an attacker to gain control of the server...

Detection and Response to Exploitation of Microsoft Exchange Zero-Day Vulnerabilities

Beginning in January 2021, Mandiant Managed Defense observed multiple instances of abuse of Microsoft Exchange Server within at least one client environment. The observed activity included creation of web shells for persistent access, remote code execution, and reconnaissance for endpoint securit...

Fork ForkCMS 安全漏洞

ForkCMS is an open source content management system CMS written in PHP. A PHP object injection vulnerability exists in the back-end Ajax endpoint of ForkCMS versions prior to 5.8.3. A remote authenticated attacker can exploit this vulnerability to execute malicious code...

DEBIAN-CVE-2020-28591

An out-of-bounds read vulnerability exists in the AMF File AMFParserContext::endElement functionality of Slic3r libslic3r 1.3.0 and Master Commit 92abbc42. A specially crafted AMF file can lead to information disclosure. An attacker can provide a malicious file to trigger this vulnerability...

Protecting Sensitive Cardholder Data in Today’s Hyper-Connected World

The payment processing system has steadily evolved over time. Greatly amplified by the COVID-19 pandemic, the use of electronic payment systems in this economy has soared nearly overnight. With online shopping at an all-time high as consumer behaviors shift toward more convenience and flexibility...

UBUNTU-CVE-2021-26712

Incorrect access controls in ressrtp.c in Sangoma Asterisk 13.38.1, 16.16.0, 17.9.1, and 18.2.0 and Certified Asterisk 16.8-cert5 allow a remote unauthenticated attacker to prematurely terminate secure calls by replaying SRTP packets...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel versions 4.18 through 5.10.16, which stems from the fact that the back-end allocation mode of the drmxenfront driver is not mean...

February 16, 2021-KB4601383 (OS Build 17763.1790) Preview

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Code injection

On all versions of BIG-IP 12.1.x and 11.6.x, the original TLS protocol includes a weakness in the master secret negotiation that is mitigated by the Extended Master Secret EMS extension defined in RFC 7627. TLS connections that do not use EMS are vulnerable to man-in-the-middle attacks during...

Code injection

On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, and 14.1.x before 14.1.3.1, under some circumstances, Traffic Management Microkernel TMM may restart on the BIG-IP system while passing large bursts of traffic. Note: Software versions which have reached End of Software Development...

Compromise of U.S. Water Treatment Facility

Summary On February 5, 2021, unidentified cyber actors obtained unauthorized access to the supervisory control and data acquisition SCADA system at a U.S. drinking water treatment facility. The unidentified actors used the SCADA system’s software to increase the amount of sodium hydroxide, also...

Secret Chat in Telegram Left Self-Destructing Media Files On Devices

Popular messaging app Telegram fixed a privacy-defeating bug in its macOS app that made it possible to access self-destructing audio and video messages long after they disappeared from secret chats. The vulnerability was discovered by security researcher Dhiraj Mishra in version 7.3 of the app, w...

Poor Password Security Led to Recent Water Treatment Facility Hack

New details have emerged about the remote computer intrusion at a Florida water treatment facility last Friday, highlighting a lack of adequate security measures needed to bulletproof critical infrastructure environments. The breach involved an unsuccessful attempt on the part of an adversary to...

[SECURITY] Fedora 33 Update: python2.7-2.7.18-8.fc33

Python 2 is an old version of the language that is incompatible with the 3.x line of releases. The language is mostly the same, but many details, especi ally how built-in objects like dictionaries and strings work, have changed considerably, and a lot of deprecated features have finally been...

Compromise of U.S. Water Treatment Facility

In response to recent events where unidentified cyber actors obtained unauthorized access to the supervisory control and data acquisition SCADA system at a U.S. drinking water treatment facility, CISA, the Federal Bureau of Investigation, the Environmental Protection Agency, and the Multi-State...

CVE-2020-17429

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit Studio Photo 3.6.6.922. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists with...

CVE-2020-17436

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit Studio Photo 3.6.6.922. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists with...

Design/Logic Flaw

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio Photo 3.6.6.922. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the...

Design/Logic Flaw

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit Studio Photo 3.6.6.922. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists with...