CVE-2021-27290 Information

Description

ssri 5.2.2-8.0.0 fixed in 8.0.1 processes SRIs using a regular expression which is vulnerable to a denial of service. Malicious SRIs could take an extremely long time to process leading to denial of service. This issue only affects consumers using the strict option.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://doyensec.com/resources/Doyensec_Advisory_ssri_redos.pdf https://npmjs.com https://github.com/yetingli/SaveResults/blob/main/pdf/ssri-redos.pdf https://www.oracle.com/security-alerts/cpuoct2021.html https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5