CVE-2020-27171

An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c has an off-by-one error with a resultant integer underflow affecting out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information...

Linux kernel 安全漏洞

The Linux kernel is a computer operating system kernel written in C and assembly language, compliant with the POSIX standard, and distributed under the GNU General Public License. An information disclosure vulnerability exists in kernel/bpf/verifier.c in Linux kernel versions prior to 5.11.8. An...

Linux kernel 安全漏洞

The Linux kernel is a computer operating system kernel written in C and assembly language, compliant with the POSIX standard, and distributed under the GNU General Public License. A difference-one error vulnerability exists in kernel/bpf/verifier.c in Linux kernel versions prior to 5.11.8. An...

CVE-2020-27171

An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c has an off-by-one error with a resultant integer underflow affecting out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information...

Hitachi ABB Power Grids eSOMS

1. EXECUTIVE SUMMARY CVSS v3 7.5 ATTENTION: Low skill level to exploit Vendor: Hitachi ABB Power Grids Equipment: eSOMS Vulnerability: Exposure of Sensitive Information to an Unauthorized Actor 2. RISK EVALUATION Successful exploitation of this vulnerability could allow an attacker to gain access...

Johnson Controls Exacq Technologies exacqVision

1. EXECUTIVE SUMMARY CVSS v3 5.3 ATTENTION: Exploitable remotely/low skill level to exploit Vendor: Exacq Technologies, Inc., a subsidiary of Johnson Controls Equipment: exacqVision Vulnerability: Information Exposure 2. RISK EVALUATION Successful exploitation of this vulnerability could allow an...

Exploit for Server-Side Request Forgery in Microsoft

ProxyLogon For Python3 ProxyLogonCVE-2021-26855+CVE-2021-2706...

Microsoft Exchange and Verkada Hacks: Isolate Your Apps and APIs from the Internet Cesspool

It's been an interesting start to March in terms of public security incidents. This month kicked off with multiple zero-day exploits being used to attack on-premises versions of Microsoft Exchange Server. And, as if that wasn't enough, that attack was quickly followed by the news that a hacktivis...

Schneider Electric IGSS SCADA Software

1. EXECUTIVE SUMMARY CVSS v3 7.8 ATTENTION: Low skill level to exploit Vendor: Schneider Electric Equipment: IGSS Interactive Graphical SCADA System Vulnerabilities: Improper Restriction of Operations within the Bounds of a Memory Buffer 2. RISK EVALUATION Successful exploitation of these...

Security Bulletin: IBM Verify Gateway PAM components default to cleartext storage of client secret (CVE-2020-4369)

Summary The IBM Verify Gateway IVG PAM components allow encryption of the client-secret property in the /etc/pamibmauth.json file, but it's not the default configuration. Instead, customers must remember to add an --obfuscation command-line flag to encrypt the property. As of v1.0.1 of IVG for AI...

Siemens SCALANCE and SIMATIC libcurl

1. EXECUTIVE SUMMARY CVSS v3 7.5 ATTENTION: Exploitable remotely/low skill level to exploit Vendor: Siemens Equipment: SCALANCE and SIMATIC Vulnerability: Out-of-bounds Read 2. RISK EVALUATION Successful exploitation of this third-party vulnerability could allow an attacker to cause a...

Vulnerabilities fixed in Siemens Scalance

Siemens has fixed several vulnerabilities in Scalance products. The vulnerabilities allow an unauthenticated remote malicious person may be able to launch attacks leading to the following categories of damage: Denial-of-Service DoS DNS cache poisoning Remote code execution possibly under elevated...

Siemens SCALANCE and RUGGEDCOM Devices (Update A)

1. EXECUTIVE SUMMARY CVSS v3 8.8 ATTENTION: Exploitable remotely/low attack complexity Vendor: Siemens Equipment: SCALANCE and RUGGEDCOM Devices Vulnerability: Stack-based Buffer Overflow 2. UPDATE INFORMATION This updated advisory is a follow-up to the original advisory titled ICSA-21-068-03...

Siemens SIMATIC S7-PLCSIM

1. EXECUTIVE SUMMARY CVSS v3 5.5 ATTENTION: Low skill level to exploit Vendor: Siemens Equipment: SIMATIC S7-PLCSIM v5.4 Vulnerabilities: Infinite Loop, NULL Pointer Dereference, Divide by Zero 2. RISK EVALUATION Successful exploitation of these vulnerabilities could allow an attacker with local...

Vulnerabilities fixed in Siemens Ruggedcom

Siemens has fixed multiple vulnerabilities in Ruggedcom products. A malicious party could potentially exploit them to cause a denial-of-service. To do so requires sending malicious network traffic to the vulnerable device. sent. In addition, the vulnerabilities can be exploited by a malicious be...

Siemens SINEMA Remote Connect Server

1. EXECUTIVE SUMMARY CVSS v3 8.8 ATTENTION: Exploitable remotely/low skill level to exploit Vendor: Siemens Equipment: SINEMA Remote Connect Server Vulnerabilities: Incorrect Authorization\ 2. RISK EVALUATION Successful exploitation of these vulnerabilities could allow authenticated unprivileged...

Exchange Server の脆弱性の緩和策

「Microsoft Exchange Server Vulnerabilities Mitigations – March 2021」の日本語抄訳です。 マイクロソフトは先週公開したブログにて、...

Microsoft Exchange Server Vulnerabilities Mitigations – updated March 15, 2021

Update March 15, 2021: If you have not yet patched, and have not applied the mitigations referenced below, a one-click tool, the Exchange On-premises Mitigation Tool is now our recommended path to mitigate until you can patch. Microsoft previously blogged our strong recommendation that customers...

Microsoft Exchange Server Vulnerabilities Mitigations - updated March 15, 2021

Update March 15, 2021: If you have not yet patched, and have not applied the mitigations referenced below, a one-click tool, the Exchange On-premises Mitigation Tool is now our recommended path to mitigate until you can patch. Microsoft previously blogged our strong recommendation that customers...

Microsoft Releases Alternative Mitigations for Exchange Server Vulnerabilities

Microsoft has released alternative mitigation techniques for Exchange Server customers who are not able to immediately apply updates that address vulnerabilities disclosed on March 2, 2021. CISA and Microsoft encourages organizations to upgrade their on-premises Exchange environments to the lates...