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I. Basic Information for CVE-2018-20436
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The "secret chat" feature in Telegram 4.9.1 for Android has a "side channel" in which Telegram servers send GET requests for URLs typed while composing a chat message, before that chat message is sent. There are also GET requests to other URLs on the same web server. This also affects one or more other Telegram products, such as Telegram Web-version 0.7.0. In addition, it can be interpreted as an SSRF issue. NOTE: a third party has reported that potentially unwanted behavior is caused by misconfiguration of the "Secret chats > Preview links" setting
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Telegram Web 和Telegram for Android 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Telegram for Android是一款基于Android平台的即时通讯应用程序。Telegram Web是它的网页版。 基于Android平台的Telegram 4.9.1版本和Telegram Web 0.7.0版本中的‘secret chat’功能存在服务器端请求伪造漏洞。目前尚无此漏洞的相关信息,请随时关注CNNVD或厂商公告。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2018-20436
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III. Intelligence Information for CVE-2018-20436
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