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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.
The "ProxyNotShell" security vulnerabilities can be chained for remote code execution and total takeover of corporate email platforms.
Red Hat Security Advisory 2022-6753-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Issues addressed include buffer overflow, denial of service, information leakage, null pointer, out of bounds read, out of bounds write, and server-side request forgery vulnerabilities.
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 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
November 8, 2022 update - Microsoft released security updates for CVE-2022-41040 and CVE-2022-41082. We recommend that customers protect their organizations by applying the updates immediately to affected systems. The options described in the Mitigations section are no longer recommended. For more information, review the Exchange Team blog. Summary Summary On November 8 Microsoft released security updates for two zero-day vulnerabilities affecting Microsoft Exchange Server 2013, Exchange Server 2016, and Exchange Server 2019.
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 »
A zip slip vulnerability in the file upload function of Chamilo v1.11 allows attackers to execute arbitrary code via a crafted Zip file.
An update for httpd24-httpd is now available for Red Hat Software Collections. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-33193: httpd: Request splitting via HTTP/2 method injection and mod_proxy * CVE-2021-34798: httpd: NULL pointer dereference via malformed requests * CVE-2021-36160: httpd: mod_proxy_uwsgi: out-of-bounds read via a crafted request uri-path * CVE-2021-39275: httpd: Out-of-bounds write in ap_escape_quotes() via malicious input * CVE-2021-44224: htt...
Labstack Echo v4.8.0 was discovered to contain an open redirect vulnerability via the Static Handler component. This vulnerability can be leveraged by attackers to cause a Server-Side Request Forgery (SSRF). Version 4.9.0 contains a patch for the issue.