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CVE-2019-17495

CRITICALCVSS 9.8/10EPSS 5.58%

Last modified

CVE-2019-17495 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A Cascading Style Sheets (CSS) injection vulnerability in Swagger UI before 3.23.11 allows attackers to use the Relative Path Overwrite (RPO) technique to perform CSS-based input field value exfiltration, such as exfiltration of a CSRF token value. In other words, this product intentionally allows the embedding of untrusted JSON data from remote servers, but it was not previously known that <style>@import within the JSON data was a functional attack method.. EPSS estimates a 5.58% chance of exploitation in the next 30 days.

Description

A Cascading Style Sheets (CSS) injection vulnerability in Swagger UI before 3.23.11 allows attackers to use the Relative Path Overwrite (RPO) technique to perform CSS-based input field value exfiltration, such as exfiltration of a CSRF token value. In other words, this product intentionally allows the embedding of untrusted JSON data from remote servers, but it was not previously known that <style>@import within the JSON data was a functional attack method.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
5.58%

91.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SmartbearSwagger Ui< 3.23.11
OracleBanking Apis>= 18.1, <= 18.3
OracleBanking Apis19.1
OracleBanking Apis19.2
OracleBanking Apis20.1
OracleBanking Apis21.1
OracleBanking Digital Experience>= 18.1, <= 18.3
OracleBanking Digital Experience19.1
OracleBanking Digital Experience19.2
OracleBanking Digital Experience20.1
OracleBanking Digital Experience21.1
OracleBanking Platform>= 2.4.0, <= 2.10.0
OraclePrimavera Gateway>= 16.2.0, <= 16.2.11
OraclePrimavera Gateway>= 17.12.0, <= 17.12.8
OracleUtilities Framework4.3.0.6.0
OracleUtilities Framework4.4.0.0.0
OracleUtilities Framework4.4.0.2.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-17495?
A Cascading Style Sheets (CSS) injection vulnerability in Swagger UI before 3.23.11 allows attackers to use the Relative Path Overwrite (RPO) technique to perform CSS-based input field value exfiltration, such as exfiltration of a CSRF token value. In other words, this product intentionally allows the embedding of untrusted JSON data from remote servers, but it was not previously known that <style>@import within the JSON data was a functional attack method.
How severe is CVE-2019-17495?
CVE-2019-17495 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 5.58% probability of exploitation in the next 30 days.
How do I fix CVE-2019-17495?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST