cve/2021/CVE-2021-27290.md

CVE-2021-27290

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.

POC

Reference

• https://doyensec.com/resources/Doyensec_Advisory_ssri_redos.pdf
• https://www.oracle.com/security-alerts/cpuoct2021.html

Github

• https://github.com/doyensec/regexploit
• https://github.com/engn33r/awesome-redos-security
• https://github.com/retr0-13/regexploit
• https://github.com/yetingli/PoCs