#VU30907 Cryptographic issues in Magento Open Source - CVE-2019-7886

Vulnerability identifier: #VU30907

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-2019-7886

CWE-ID: CWE-310

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Magento Open Source
Web applications / E-Commerce systems

Vendor: Adobe

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

A cryptograhic flaw exists in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2. A weak cryptograhic mechanism is used to generate the intialization vector in multiple security relevant contexts.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Magento Open Source: 2.3.0 - 2.3.1

---

External links
https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-33

---

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.