Improper Authentication in wal-g



Published: 2024-03-18
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-26160
CWE-ID CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
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WAL-G
Web applications / Modules and components for CMS

Vendor wal-g

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU50809

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-26160

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to improper validation when processing data passed via m["aud"]. A remote attacker can pass the []string{} string, which is allowed by the specification, however treated as an empty string and bypass authentication checks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

WAL-G: 0.1.0 - 2.0.1

External links

http://github.com/wal-g/wal-g/releases/tag/v3.0.0


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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