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CVE-2021-27290

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Date: March 12, 2021

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.

Language: JS

Severity Score

Related Resources (11)

https://doyensec.com/resources/Doyensec_Advisory_ssri_redos.pdf
https://security.alpinelinux.org/vuln/CVE-2021-27290
https://security-tracker.debian.org/tracker/CVE-2021-27290
https://access.redhat.com/security/cve/CVE-2021-27290
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-27290
https://nvd.nist.gov/vuln/detail/CVE-2021-27290
https://npmjs.com
https://www.oracle.com/security-alerts/cpuoct2021.html
https://github.com/yetingli/SaveResults/blob/main/pdf/ssri-redos.pdf
https://www.mend.io/vulnerability-database/CVE-2021-27290

Severity Score

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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