PT-2020-14997 · Telegram+1 · Telegram Desktop+1

Vijay Tikudave · Published 2020-07-01 · Updated 2021-01-28 · CVE-2020-17448

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Telegram Desktop versions prior to 2.1.14

Description The issue allows a spoofed file type to bypass the Dangerous File Type Execution protection mechanism. This can be demonstrated by using the chat window with a filename that lacks an extension.

Recommendations For versions prior to 2.1.14, update to version 2.1.14 or later to resolve the issue.

Exploit

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

ALT-PU-2020-2257

ALT-PU-2020-2357

CVE-2020-17448

Affected Products

Alt Linux

Telegram Desktop

References · 11

• 🔥 https://github.com/VijayT007/Vulnerability-Database/blob/master/Telegram-CVE-2020-17448 · Exploit
• https://osv.dev/vulnerability/CVE-2020-17448 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-17448 · Security Note
• https://cve.org/CVERecord?id=CVE-2020-17448 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-17448 · Vendor Advisory
• https://security.gentoo.org/glsa/202101-34 · Vendor Advisory
• https://telegram.org · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-17448 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-17448 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-17448 · Vendor Advisory
• https://github.com/telegramdesktop/tdesktop/releases/tag/v2.2.0 · Note