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CVE-2022-41082

Microsoft Exchange Server Remote Code Execution Vulnerability.

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#vulnerability#microsoft#rce

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Microsoft Patch Tuesday June 2023: Edge type confusion, Git RCE, OneNote Spoofing, PGM RCE, Exchange RCE, SharePoint EoP

Hello everyone! This episode will be about Microsoft Patch Tuesday for June 2023, including vulnerabilities that were added between May and June Patch Tuesdays. As usual, I use my open source Vulristics project to analyse and prioritize vulnerabilities. I took the comments about the vulnerabilities from the Qualys, Tenable, Rapid7, ZDI Patch Tuesday reviews. This time there […]

New Wave of Cyberattacks Targeting MS Exchange Servers

By Waqas Cybercriminals are leveraging two exploit chains (ProxyNotShell/OWASSRF) to target Microsoft Exchange servers, as warned by Bitdefender Labs. This is a post from HackRead.com Read the original post: New Wave of Cyberattacks Targeting MS Exchange Servers

Rackspace Ransomware Incident Highlights Risks of Relying on Mitigation Alone

Organizations often defer patching because of business disruption fears — but that didn't work out very well for Rackspace's Hosted Exchange service.

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Ransomware Hackers Using New Way to Bypass MS Exchange ProxyNotShell Mitigations

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Microsoft Issues Patches to Fix 6 Active 0-Day Windows Vulnerabilities

By Deeba Ahmed Microsoft has urged Windows Administrators to install the updates urgently so make sure you have the latest patches installed! This is a post from HackRead.com Read the original post: Microsoft Issues Patches to Fix 6 Active 0-Day Windows Vulnerabilities

Install Latest Windows Update ASAP! Patches Issued for 6 Actively Exploited Zero-Days

Microsoft's latest round of monthly security updates has been released with fixes for 68 vulnerabilities spanning its software portfolio, including patches for six actively exploited zero-days. 12 of the issues are rated Critical, two are rated High, and 55 are rated Important in severity. This also includes the weaknesses that were closed out by OpenSSL the previous week. Also separately

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

Categories: Exploits and vulnerabilities Categories: News Tags: Microsoft Tags: Apple Tags: Google Tags: Android Tags: Samsung Tags: Xiaomi Tags: Adobe Tags: SAP Tags: VMWare Tags: Fortinet Tags: CVE-2022-41033 Tags: CVE-2022-41040 Tags: zero-day No fix for ProxyNotShell (Read more...) The post Update now! October patch Tuesday fixes actively used zero-day...but not the one you expected appeared first on Malwarebytes Labs.

Microsoft Addresses Zero-Days, but Exchange Server Exploit Chain Remains Unpatched

The computing giant didn't fix ProxyNotLogon in October's Patch Tuesday, but it disclosed a rare 10-out-of-10 bug and patched two other zero-days, including one being exploited.

Microsoft Issues Improved Mitigations for Unpatched Exchange Server Vulnerabilities

Microsoft on Friday disclosed it has made more improvements to the mitigation method offered as a means to prevent exploitation attempts against the newly disclosed unpatched security flaws in Exchange Server. To that end, the tech giant has revised the blocking rule in IIS Manager from ".*autodiscover\.json.*Powershell.*" to "(?=.*autodiscover\.json)(?=.*powershell)." The list of

ProxyNotShell – the New Proxy Hell?

Nicknamed ProxyNotShell, a new exploit used in the wild takes advantage of the recently published Microsoft Server-Side Request Forgery (SSRF) vulnerability CVE-2022-41040 and a second vulnerability, CVE-2022-41082 that allows Remote Code Execution (RCE) when PowerShell is available to unidentified attackers. Based on ProxyShell, this new zero-day abuse risk leverage a chained attack similar to

State-Sponsored Hackers Likely Exploited MS Exchange 0-Days Against ~10 Organizations

Microsoft on Friday disclosed that a single activity group in August 2022 achieved initial access and breached Exchange servers by chaining the two newly disclosed zero-day flaws in a limited set of attacks aimed at less than 10 organizations globally. "These attacks installed the Chopper web shell to facilitate hands-on-keyboard access, which the attackers used to perform Active Directory

Worried About the Exchange Zero-Day? Here's What to Do

While organizations wait for an official patch for the two zero-day flaws in Microsoft Exchange, they should scan their networks for signs of exploitation and apply these mitigations.

Threat Advisory: Microsoft warns of actively exploited vulnerabilities in Exchange Server

Cisco Talos has released new coverage to detect and prevent the exploitation of two recently disclosed vulnerabilities collectively referred to as "ProxyNotShell," affecting Microsoft Exchange Servers 2013, 2016 and 2019. One of these vulnerabilities could allow an attacker to execute remote code on the targeted server. Limited exploitation of these vulnerabilities in the wild has been reported. CVE-2022-41040 is a Server Side Request Forgery (SSRF) vulnerability, while CVE-2022-41082 enables Remote Code Execution (RCE) when PowerShell is accessible to the attackers. While no fixes or patches are available yet, Microsoft has provided mitigations for on-premises Microsoft Exchange users on Sept. 29, 2022. Even organizations that use Exchange Online may still be affected if they run a hybrid server. Cisco Talos is closely monitoring the recent reports of exploitation attempts against these vulnerabilities and strongly recommends users implement mitigation steps while waiting for securit...

Microsoft Confirms Two 0-Days Being Exploited Against Exchange Servers

By Deeba Ahmed The latest attack against Exchange servers utilizes at least two new flaws (CVE-2022-41040, CVE-2022-41082) that have been assigned CVSS scores of 6.3 and 8.8. This is a post from HackRead.com Read the original post: Microsoft Confirms Two 0-Days Being Exploited Against Exchange Servers

Microsoft: Two New 0-Day Flaws in Exchange Server

Microsoft Corp. is investigating reports that attackers are exploiting two previously unknown vulnerabilities in Exchange Server, a technology many organizations rely on to send and receive email. Microsoft says it is expediting work on software patches to plug the security holes. In the meantime, it is urging a subset of Exchange customers to enable a setting that could help mitigate ongoing attacks.

Microsoft Confirms Pair of Blindsiding Exchange Zero-Days, No Patch Yet

The "ProxyNotShell" security vulnerabilities can be chained for remote code execution and total takeover of corporate email platforms.

Two new Exchange Server zero-days in the wild

Categories: Exploits and vulnerabilities Categories: News Tags: Exchange Tags: ProxyShell Tags: remote PowerShell Tags: web shell Tags: CVE-2022-41040 Tags: CVE-2022-41082 Tags: SSRF Tags: RCE Two ProxyShell-like vulnerabilities are being used to exploit Microsoft Exchange Servers (Read more...) The post Two new Exchange Server zero-days in the wild appeared first on Malwarebytes Labs.

Microsoft Confirms 2 New Exchange Zero-Day Flaws Being Used in the Wild

Microsoft officially disclosed it investigating two zero-day security vulnerabilities impacting Exchange Server 2013, 2016, and 2019 following reports of in-the-wild exploitation. "The first vulnerability, identified as CVE-2022-41040, is a Server-Side Request Forgery (SSRF) vulnerability, while the second, identified as CVE-2022-41082, allows remote code execution (RCE) when PowerShell is

Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server

Summary Microsoft is investigating two reported zero-day vulnerabilities affecting Microsoft Exchange Server 2013, 2016, and 2019. The first vulnerability, identified as CVE-2022-41040, is a Server-Side Request Forgery (SSRF) vulnerability, while the second, identified as CVE-2022-41082, allows remote code execution (RCE) when PowerShell is accessible to the attacker.   At this time, Microsoft is aware of limited … Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server Read More »

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