CVE-2019-17091 — faces/context/PartialViewContextImpl

faces/context/PartialViewContextImpl.java in Eclipse Mojarra, as used in Mojarra for Eclipse EE4J before 2.3.10 and Mojarra JavaServer Faces before 2.2.20, allows Reflected XSS because a client window field is mishandled.

01What is this vulnerability?

faces/context/PartialViewContextImpl.java in Eclipse Mojarra, as used in Mojarra for Eclipse EE4J before 2.3.10 and Mojarra JavaServer Faces before 2.2.20, allows Reflected XSS because a client window field is mishandled.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-10-02T13:58:49.000Z
• Last modified: 2024-08-05T01:33:16.741Z

09References

• www.oracle.com — https://www.oracle.com/security-alerts/cpuapr2020.html
• www.oracle.com — https://www.oracle.com/security-alerts/cpujul2020.html
• www.oracle.com — https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
• www.oracle.com — https://www.oracle.com/security-alerts/cpujan2020.html
• bugs.eclipse.org — https://bugs.eclipse.org/bugs/show_bug.cgi?id=548244
• github.com — https://github.com/eclipse-ee4j/mojarra/pull/4567
• github.com — https://github.com/eclipse-ee4j/mojarra/issues/4556
• github.com — https://github.com/eclipse-ee4j/mojarra/files/3039198/advisory.txt
• github.com — https://github.com/eclipse-ee4j/mojarra/compare/2.3.9-RELEASE...2.3.10-RELEASE
• github.com — https://github.com/eclipse-ee4j/mojarra/commit/8f70f2bd024f00ecd5b3dcca45df73edd…
• github.com — https://github.com/eclipse-ee4j/mojarra/commit/a3fa9573789ed5e867c43ea38374f4dbd…
• github.com — https://github.com/javaserverfaces/mojarra/compare/2.2.19...2.2.20
• github.com — https://github.com/javaserverfaces/mojarra/commit/ae1c234d0a6750822ac69d4ae26d90…
• github.com — https://github.com/javaserverfaces/mojarra/commit/f61935cd39f34329fbf27b1972a506…
• www.oracle.com — https://www.oracle.com/security-alerts/cpuoct2020.html
• www.oracle.com — https://www.oracle.com/security-alerts/cpujan2021.html
• www.oracle.com — https://www.oracle.com/security-alerts/cpujan2022.html