SARA / Free Tools / CVE / CVE-2018-11796

CVE-2018-11796 — In Apache Tika 1

In Apache Tika 1.19 (CVE-2018-11761), we added an entity expansion limit for XML parsing. However, Tika reuses SAXParsers and calls reset() after each parse, which, for Xerces2 parsers, as per the documentation, removes the user-specified SecurityManager and thus removes entity e

CVSS
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EPSS
3.94% (top 11.80%)
CWE
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Published
2018-10-09T22:00:00.000Z
Last modified
2024-09-16T18:19:51.122Z
CVSS vector
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01What is this vulnerability?

In Apache Tika 1.19 (CVE-2018-11761), we added an entity expansion limit for XML parsing. However, Tika reuses SAXParsers and calls reset() after each parse, which, for Xerces2 parsers, as per the documentation, removes the user-specified SecurityManager and thus removes entity expansion limits after the first parse. Apache Tika versions from 0.1 to 1.19 are therefore still vulnerable to entity…

02Affected products

VendorProductVersions
Apache Software FoundationApache TikaApache Tomcat 0.1 to 1.19

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

05Technical details

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

06Detection signatures

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07Related CVEs

CVE-2018-11761
Cited in vendor advisory

08Timeline

09References

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