Out-of-bounds Write Vulnerability in FreeRDP Affected by RSA Crypto Function
CVE-2020-13398

8.3HIGH

Key Information:

Vendor

Freerdp

Status
Vendor
CVE Published:
22 May 2020

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-13398?

An out-of-bounds write vulnerability was identified in the FreeRDP project prior to version 2.1.1. The issue exists within the crypto_rsa_common function located in libfreerdp/crypto/crypto.c. This flaw may allow an attacker to potentially exploit memory corruption issues, affecting the integrity of the application and potentially leading to arbitrary code execution.

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:
8.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2020-13398 : Out-of-bounds Write Vulnerability in FreeRDP Affected by RSA Crypto Function