VulnerabilityModified
CVE-2021-27290
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.
HIGH 7.5EPSS 4.72%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 4.72% probability · 91th percentile
- CISA KEV
- Not listed
- Affected
- ssri project/ssri · oracle/graalvm · siemens/sinec infrastructure network services
- Source
- cve@mitre.org
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
- https://doyensec.com/resources/Doyensec_Advisory_ssri_redos.pdfExploit, Patch, Third Party Advisory
- https://github.com/yetingli/SaveResults/blob/main/pdf/ssri-redos.pdfExploit, Third Party Advisory
- https://npmjs.comProduct
- https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
- https://doyensec.com/resources/Doyensec_Advisory_ssri_redos.pdfExploit, Patch, Third Party Advisory
- https://github.com/yetingli/SaveResults/blob/main/pdf/ssri-redos.pdfExploit, Third Party Advisory
- https://npmjs.comProduct
- https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.