Vulnerability found in Microsoft Windows

A vulnerability has been found in Microsoft Windows. A malicious party can exploit the vulnerability to execute arbitrary code under privileges of the logged-in user. To do this the malicious party must induce the victim to open a rogue file. The vulnerability is located in Mark-of-the-Web...

Two Weeks of Monitoring ProxyNotShell (CVE-2022-41040 & CVE-2022-41082) Threat Activity

The Wordfence Threat Intelligence team has been monitoring exploit attempts targeting two zero-day vulnerabilities in Microsoft Exchange Server tracked as CVE-2022-41040 and CVE-2022-41082, collectively known as ProxyNotShell. These vulnerabilities are actively being exploited in the wild. At the...

Did Patch Tuesday address the zero-day flaw in Microsoft Exchange

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary Microsoft addresses two new zero-day vulnerabilities tracked under CVE-2022-41033, an Elevation of Privilege vulnerability exploited in the wild. CVE-2022-41043 is an Information Disclosure...

Update now! October patch Tuesday fixes actively used zero-day...but not the one you expected

Microsoft fixed 84 vulnerabilities in its October 2022 Patch Tuesday updates. Thirteen of them received the classification 'Critical'. Among them are a zero-day vulnerability that's being actively exploited, and another that hasnt been spotted in the wild yet. The bad news is that the much-desire...

Microsoft Patch Tuesday Fixes New Windows Zero-Day; No Patch for Exchange Server Bugs

Microsoft's Patch Tuesday update for the month of October has addressed a total of 85 security vulnerabilities, including fixes for an actively exploited zero-day flaw in the wild. Of the 85 bugs, 15 are rated Critical, 69 are rated Important, and one is rated Moderate in severity. The update,...

Microsoft Patch Tuesday, October 2022 Edition

Microsoft today released updates to fix at least 85 security holes in its Windows operating systems and related software, including a new zero-day vulnerability in all supported versions of Windows that is being actively exploited. However, noticeably absent from this months Patch Tuesday are any...

October 2022 Patch Tuesday | Microsoft Releases 84 Vulnerabilities with 13 Critical, plus 12 Microsoft Edge (Chromium-Based); Adobe Releases 4 Advisories, 29 Vulnerabilities with 17 Critical.

Microsoft Patch Tuesday Summary Microsoft has fixed 84 vulnerabilities aka flaws in the October 2022 update, including 13 vulnerabilities classified as Critical as they allow Elevation of Privilege EoP, Remote Code Execution RCE, and Spoofing. This months Patch Tuesday fixes two 2 zero-day...

Patch Tuesday - October 2022

The October batch of CVEs published by Microsoft includes 96 vulnerabilities, including 12 fixed earlier this month that affect the Chromium project used by their Edge browser. Top of mind for many this month is whether Microsoft would patch the two Exchange Server zero-day vulnerabilities...

Zero-Day Remote Code Execution Vulnerability in Zimbra Collaboration Suite

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary The active exploitation of an unpatched CVE-2022-41352 remote code execution RCE vulnerability found in the Zimbra Collaboration Suite ZCS. It empowers attackers to upload arbitrary files and...

Siemens JT Open Toolkit and Simcenter Femap

1. EXECUTIVE SUMMARY CVSS v3 7.8 ATTENTION: Low attack complexity Vendor: Siemens Equipment: JT Open Toolkit and Simcenter Femap Vulnerability: Access of Uninitialized Pointer 2. RISK EVALUATION Successful exploitation of this vulnerability could crash the application or lead to arbitrary code...

Exploit for Server-Side Request Forgery in Microsoft

proxynotshell-IOC-Checker Powershell script used to check for...

TOP 10 unattributed APT mysteries

Targeted attack attribution is always a tricky thing, and in general, we believe that attribution is best left to law enforcement agencies. The reason is that, while in 90% of cases it is possible to understand a few things about the attackers, such as their native language or even location, the...

Exploitation of Unpatched Zero-Day Remote Code Execution Vulnerability in Zimbra Collaboration Suite (CVE-2022-41352)

Note: Zimbra release 9.0.0 P27 addressed this vulnerability on October 10, 2022. CVE-2022-41352 is an unpatched remote code execution vulnerability in Zimbra Collaboration Suite discovered in the wild due to active exploitation. The vulnerability is due to the method cpio in which Zimbra’s...

Mitigation for Exchange Zero-Days Bypassed! Microsoft Issues New Workarounds

Microsoft has revised its mitigation measures for the newly disclosed and actively exploited zero-day flaws in Exchange Server after it was found that they could be trivially bypassed. The two vulnerabilities, tracked as CVE-2022-41040 and CVE-2022-41082, have been codenamed ProxyNotShell due to...

Microsoft Exchange Server October 2022 Zero-day Vulnerabilities (ProxyNotShell)

The Microsoft Exchange Server installed on the remote host is potentially affected by multiple zero-day vulnerabilities, dubbed ProxyNotShell: - An unspecified authenticated server-side request forgery SSRF vulnerability. CVE-2022-41040 - An unspecified authenticated remote code execution RCE...

Akamai’s Response to Zero-Day Vulnerabilities in Microsoft Exchange Server (CVE-2022-41040 and CVE-2022-41082)

Akamai Security Research has released web application firewall protections for Microsoft Exchange CVE-2022-41040 and CVE-2022-41082...

CVE-2022-41082

Microsoft Exchange Server Remote Code Execution Vulnerability Recent assessments: zeroSteiner at January 10, 2023 2:58pm UTC reported: CVE-2022-41082, also known as ProxyNotShell is an authenticated RCE in Microsoft Exchange. ProxyNotShell actually combines CVE-2022-41082 and CVE-2022-41040 for t...

Acronis: mail.acronis.com is vulnerable to zero day vulnerability CVE-2022-41040

Hello Acronis team, Please run curl -ksL -m5 -o /dev/null -I -w "%httpcode" "https://mail.acronis.com/autodiscover/autodiscover.json?Email=autodiscover/[email protected]&Protocol=ActiveSync" curl -ksL -m5...

Microsoft Exchange Server Has a Zero-Day Problem

Plus: CIA failures allegedly got US informants killed, a former NSA worker is charged under the Espionage Act, and more...

Analyzing attacks using the Exchange vulnerabilities CVE-2022-41040 and CVE-2022-41082

October 1, 2022 update – Added information about Exploit:Script/ExchgProxyRequest.A, Microsoft Defender AV’s robust detection for exploit behavior related to this threat. We also removed a section on MFA as a mitigation, which was included in a prior version of this blog as standard guidance...