magento-lts update for prototype.js



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-27511
CWE-ID CWE-185
Exploitation vector Network
Public exploit N/A
Vulnerable software
 magento-lts
Web applications / Modules and components for CMS

Vendor OPENMAGE

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Incorrect Regular Expression

EUVDB-ID: #VU71773

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-27511

CWE-ID: CWE-185 - Incorrect Regular Expression

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation in the stripTags and unescapeHTML components. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

magento-lts: 19.4.0 - 20.0.19

CPE2.3 External links

https://github.com/OpenMage/magento-lts/releases/tag/v19.4.23
https://github.com/OpenMage/magento-lts/releases/tag/v20.0.20


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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