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605
VMScore

CVE-2018-20436

Published: 24/12/2018 Updated: 11/04/2024
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 8.1 | Impact Score: 5.9 | Exploitability Score: 2.2
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
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Vulnerability Summary

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

Vulnerability Trend

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telegram web 0.7.0

telegram telegram 4.9.1

References

CWE-918https://misteralfa-hack.blogspot.com/2018/12/telegram-siempre-in-middle.htmlhttps://misteralfa-hack.blogspot.com/2018/12/abusando-de-telegram-para-conseguir-una.htmlhttps://nvd.nist.gov
VMScore
CVSSv2
CVSSv3
VMScore
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