PT-2019-14236 · Telegram · Telegram

Published 2019-08-23 · Updated 2022-02-14 · CVE-2019-15514

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Telegram app version 5.10 for Android and iOS

Description The issue concerns the Privacy > Phone Number feature, which incorrectly indicates that the access level is set to Nobody. However, attackers can still find these numbers via the Group Info feature by adding a significant fraction of a region's assigned phone numbers. There is no information about the estimated number of potentially affected devices worldwide or real-world incidents where this issue was exploited.

Recommendations For Telegram app version 5.10, consider restricting access to the Group Info feature to minimize the risk of exploitation until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Related Identifiers

CVE-2019-15514

Affected Products

Telegram

References · 7

• 🔥 https://github.com/bibi1959/CVE-2019-15514 · Exploit
• 🔥 https://docs.google.com/document/d/e/2PACX-1vRx2wO2kj0axlQtv2CDSjPGlRKJOHtucvpOKGFKybh2eVVGZqvt_JJv-2Q11NHn5Y4um_F4-bgA6q5v/pub · Exploit
• 🔥❌ https://github.com/graysuit/CVE-2019-15514 · Exploit, Deleted
• https://osv.dev/vulnerability/CVE-2019-15514 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-15514 · Security Note
• https://t.me/poxek/826 · Telegram Post
• https://t.me/freedomf0x/15513 · Telegram Post