Microsoft Exchange Information Disclosure Vulnerability

<p>An information disclosure vulnerability exists in how Microsoft Exchange validates tokens when handling certain messages. An attacker who successfully exploited the vulnerability could use this to gain further information from a user.</p> <p>To exploit the vulnerability, an attacker could include specially crafted OWA messages that could be loaded, without warning or filtering, from the attacker-controlled URL. This callback vector provides an information disclosure tactic used in web beacons and other types of tracking systems.</p> <p>The security update corrects the way that Exchange handles these token validations.</p>

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

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Microsoft Exchange Server 安全漏洞

Microsoft Exchange Server是美国微软（Microsoft）公司的一套电子邮件服务程序。它提供邮件存取、储存、转发，语音邮件，邮件过滤筛选等功能。 Microsoft Exchange 存在安全漏洞，该漏洞允许攻击者可以借此从用户获取详细信息。以下产品及版本受到影响： Microsoft Exchange Server 2013 Cumulative Update 23版本， Microsoft Exchange Server 2019 Cumulative Update 6版本，

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