File Access and Recording Vulnerability in Telegram by Telegram
CVE-2023-26818

5.5MEDIUM

Key Information:

Vendor

Telegram

Status
Vendor
CVE Published:
19 May 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-26818?

Telegram versions 9.3.1 and 9.4.0 have a vulnerability that allows attackers to exploit the DYLD_INSERT_LIBRARIES flag, leading to unauthorized access to restricted files as well as potential microphone and video recording capabilities. This weakness poses serious privacy risks, enabling malicious actors to bypass expected access controls.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.