CVE-2020-27652 - Use of a Broken or Risky Cryptographic Algorithm

Severity

83%

Complexity

16%

Confidentiality

100%

Algorithm downgrade vulnerability in QuickConnect in Synology DiskStation Manager (DSM) before 6.2.3-25426-2 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via unspecified vectors.

CVSS 3.1 Base Score 8.3. CVSS Attack Vector: network. CVSS Attack Complexity: high. CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H).

CVSS 2.0 Base Score 5.1. CVSS Attack Vector: network. CVSS Attack Complexity: high. CVSS Vector: (AV:N/AC:H/Au:N/C:P/I:P/A:P).

Demo Examples

Use of a Broken or Risky Cryptographic Algorithm

CWE-327

These code examples use the Data Encryption Standard (DES).


               
EVP_des_ecb();

               
des.initEncrypt(key2);

               
}
return $encryptedPassword;

Once considered a strong algorithm, DES now regarded as insufficient for many applications. It has been replaced by Advanced Encryption Standard (AES).

Overview

First reported 4 years ago

2020-10-29 09:15:00

Last updated 4 years ago

2020-11-03 18:10:00

Affected Software

Synology Diskstation Manager

References

https://www.synology.com/security/advisory/Synology_SA_20_18

https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1061

https://www.synology.com/security/advisory/Synology_SA_20_18

Vendor Advisory

https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1061

Exploit, Third Party Advisory

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