[Security Nation] Amit Serper on Finding Leaks in Autodiscover

!\Security Nation\ Amit Serper on Finding Leaks in Autodiscoverhttps://blog.rapid7.com/content/images/2022/02/securitynationlogo.jpg In this episode of Security Nation, Jen and Tod chat with Amit Serper, Director of Security Research at Akamai, on his work uncovering a flaw in the Autodiscover...

Microsoft Exchange Server Autodiscover Cross-Site Scripting

Microsoft Exchange Server versions 2019 before cumulative update 11, 2016 before cumulative update 22 and 2013 before cumulative update 23 are affected by a cross-site scripting vulnerability through the autodiscover/autodiscover.json endpoint. By crafting a specific URL, an attacker could target...

Security News: Microsoft Patch Tuesday October 2021, Autodiscover, MysterySnail, Exchange, DNS, Apache, HAProxy, VMware vCenter, Moodle

Hello everyone! This episode will be about relatively recent critical vulnerabilities. Lets start with Microsoft Patch Tuesday for October 2021. Specifically, with the vulnerability that I expected there, but it didnt get there. Autodiscover leak discovered by Guardicore Labs "Autodiscover, a...

Office 365 Spy Campaign Targets US Military Defense

A new threat actor, dubbed DEV-0343, has been spotted attacking U.S. and Israeli defense technology companies, Persian Gulf ports of entry and global maritime transportation companies with ties to the Middle East. The threat actor’s goal is Microsoft Office 365 account takeovers. Microsoft, which...

A week in security (Sept 27 – Oct 3)

Last week on Malwarebytes Labs Teaching cybersecurity skills to special needs children with Alana Robinson: Lock and Code S02E18 Phone screenshots accidentally leaked online by stalkerware-type company FoggyWeb, analysis of a Nobelium backdoor Instagram Kids put on hold Microsoft, CISA and NSA...

[Security Nation] Rob Graham on Mike Lindell's Cyber Symposium

!\Security Nation\ Rob Graham on Mike Lindell's Cyber Symposiumhttps://blog.rapid7.com/content/images/2021/09/securitynationlogo-1.jpg In this episode of Security Nation, Jen and Tod chat with Rob Graham of Errata Security about his experience attending pillow magnate Mike Lindell's Cyber...

Exchange/Outlook Autodiscover Bug Spills $100K+ Email Passwords

Guardicore security researcher Amit Serper has discovered a severe design bug in Microsoft Exchange’s autodiscover – a protocol that lets users easily configure applications such as Microsoft Outlook with just email addresses and passwords. The flaw has caused the Autodiscover service to leak...

Microsoft Exchange Bug Exposes ~100,000 Windows Domain Credentials

An unpatched design flaw in the implementation of Microsoft Exchange's Autodiscover protocol has resulted in the leak of approximately 100,000 login names and passwords for Windows domains worldwide. "This is a severe security issue, since if an attacker can control such domains or has the abilit...

Microsoft Exchange Autodiscover flaw reveals users’ passwords

Researchers have been able to get hold of 372,072 Windows domain credentials, including 96,671 unique credentials, in slightly over 4 months by setting up a Microsoft Exchange server and using Autodiscover domains. The credentials that are being leaked are valid Windows domain credentials used to...

Autodiscovering the Great Leak

See the most recent research from Amit Serper on a vulnerability in Autodiscover from Microsoft Outlook that affects credential leaks...

The vulnerability of the mailboxd component (Autodiscover/Autodiscover.xml) in the Zimbra Collaboration Suite enterprise email management system allows a hacker to execute an XXE attack.

The vulnerability of the mailboxd component Autodiscover/Autodiscover.xml in the Zimbra Collaboration Suite enterprise email management system is related to an incorrect limitation on XML links to external objects. Exploiting this vulnerability could allow a malicious actor to execute an XXE atta...

PST, Want a Shell? ProxyShell Exploiting Microsoft Exchange Servers

In August 2021, Mandiant Managed Defense identified and responded to the exploitation of a chain of vulnerabilities known as ProxyShell. The ProxyShell vulnerabilities consist of three CVEs CVE-2021-34473, CVE-2021-34523, CVE-2021-31207 affecting the following versions of on-premises Microsoft...

Rockstar Games: Open Redirection effects autodiscover.rockstargames.com

In a report, a researcher identified an open redirection vulnerability in the Office365 Autodiscover service of the rockstargames.com domain. The issue was resolved through updates from Microsoft and internal configuration changes...

(Pwn2Own) Microsoft Exchange Server Autodiscover Server Side Request Forgery Authentication Bypass Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Exchange Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Autodiscover service. The issue results from the lack of proper validation...

openSUSE: Security Advisory for MozillaThunderbird (openSUSE-SU-2021:0093-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Microsoft Exchange 2019 SSRF / Arbitrary File Write

import requests from urllib3.exceptions import InsecureRequestWarning import random import string import sys def idgeneratorsize=6, chars=string.asciilowercase + string.digits: return ''.joinrandom.choicechars for in rangesize if lensys.argv " print"使用方式: python PoC.py mail.btwaf.cn [email protected]...

Microsoft Exchange 2019 - Server-Side Request Forgery

import requests from urllib3.exceptions import InsecureRequestWarning import random import string import sys def idgeneratorsize=6, chars=string.asciilowercase + string.digits: return ''.joinrandom.choicechars for in rangesize if lensys.argv " print"使用方式: python PoC.py mail.btwaf.cn [email protected]...

Cumulative Update 7 for Exchange Server 2019

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openSUSE Security Update : MozillaThunderbird (openSUSE-2021-127)

This update for MozillaThunderbird fixes the following issues : - Mozilla Thunderbird 78.6.1 - changed: MailExtensions: browserAction, composeAction, and messageDisplayAction toolbar buttons now support label and defaultlabel properties bmo1583478 - fixed: Running a quicksearch that returned no...

OPENSUSE-SU-2021:0127-1 Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: - Mozilla Thunderbird 78.6.1 changed: MailExtensions: browserAction, composeAction, and messageDisplayAction toolbar buttons now support label and defaultlabel properties bmo1583478 fixed: Running a quicksearch that returned no result...