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Telegram : Security Vulnerabilities

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2019-16248 20 2019-09-11 2019-09-13
5.0
None Remote Low Not required Partial None None
The "delete for" feature in Telegram before 5.11 on Android does not delete shared media files from the Telegram Images directory. In other words, there is a potentially misleading UI indication that a sender can remove a recipient's copy of a previously sent image (analogous to supported functionality in which a sender can remove a recipient's copy of a previously sent message).
2 CVE-2019-15514 200 +Info 2019-08-23 2019-08-30
5.0
None Remote Low Not required Partial None None
The Privacy > Phone Number feature in the Telegram app 5.10 for Android and iOS provides an incorrect indication that the access level is Nobody, because attackers can find these numbers via the Group Info feature, e.g., by adding a significant fraction of a region's assigned phone numbers.
3 CVE-2019-10044 20 2019-03-25 2019-04-07
6.8
None Remote Medium Not required Partial Partial Partial
Telegram Desktop before 1.5.12 on Windows, and the Telegram applications for Android, iOS, and Linux, is vulnerable to an IDN homograph attack when displaying messages containing URLs. This occurs because the application produces a clickable link even if (for example) Latin and Cyrillic characters exist in the same domain name, and the available font has an identical representation of characters from different alphabets.
4 CVE-2018-17780 200 +Info 2018-09-29 2018-12-06
4.0
None Remote Low Single system Partial None None
Telegram Desktop (aka tdesktop) 1.3.14, and Telegram 3.3.0.0 WP8.1 on Windows, leaks end-user public and private IP addresses during a call because of an unsafe default behavior in which P2P connections are accepted from clients outside of the My Contacts list.
5 CVE-2018-17613 522 2018-09-28 2019-10-02
5.0
None Remote Low Not required Partial None None
Telegram Desktop (aka tdesktop) 1.3.16 alpha, when "Use proxy" is enabled, sends credentials and application data in cleartext over the SOCKS5 protocol.
6 CVE-2018-17231 617 DoS 2018-09-19 2019-10-02
5.0
None Remote Low Not required None None Partial
** DISPUTED ** Telegram Desktop (aka tdesktop) 1.3.14 might allow attackers to cause a denial of service (assertion failure and application exit) via an "Edit color palette" search that triggers an "index out of range" condition. NOTE: this issue is disputed by multiple third parties because the described attack scenario does not cross a privilege boundary.
7 CVE-2018-15543 287 Bypass 2018-10-09 2018-11-23
4.6
None Local Low Not required Partial Partial Partial
** DISPUTED ** An issue was discovered in the org.telegram.messenger application 4.8.11 for Android. The FingerprintManager class for Biometric validation allows authentication bypass through the callback method from onAuthenticationFailed to onAuthenticationSucceeded with null, because the fingerprint API in conjunction with the Android keyGenerator class is not implemented. In other words, an attacker could authenticate with an arbitrary fingerprint. NOTE: the vendor indicates that this is not an attack of interest within the context of their threat model, which excludes Android devices on which rooting has occurred.
8 CVE-2018-15542 287 Bypass 2018-10-09 2018-11-26
4.4
None Local Medium Not required Partial Partial Partial
** DISPUTED ** An issue was discovered in the org.telegram.messenger application 4.8.11 for Android. The Passcode feature allows authentication bypass via runtime manipulation that forces a certain method's return value to true. In other words, an attacker could authenticate with an arbitrary passcode. NOTE: the vendor indicates that this is not an attack of interest within the context of their threat model, which excludes Android devices on which rooting has occurred.
9 CVE-2014-8688 200 +Info 2017-03-14 2017-03-15
5.0
None Remote Low Not required Partial None None
An issue was discovered in Telegram Messenger 2.6 for iOS and 1.8.2 for Android. Secret chat messages are available in cleartext in process memory and a .db file.
Total number of vulnerabilities : 9   Page : 1 (This Page)
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