#VU24806 Information disclosure in Saleor - CVE-2020-7964

Vulnerability identifier: #VU24806

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-7964

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Saleor
Client/Desktop applications / Other client software

Vendor: Mirumee Labs

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to incorrect access control in the "checkoutCustomerAttach" mutations. A remote attacker can attach their checkouts to any user ID and consequently leak user data (e.g., name, address, and previous orders of any other customer)

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Saleor: 2.0.0 - 2.9.0

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External links
https://github.com/mirumee/saleor/commit/233b8890c60fa6d90daf99e4d90fea85867732c3
https://github.com/mirumee/saleor/releases/tag/2.9.1

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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.