CVE-2019-12406 — Apache CXF before 3
Apache CXF before 3.3.4 and 3.2.11 does not restrict the number of message attachments present in a given message. This leaves open the possibility of a denial of service type attack, where a malicious user crafts a message containing a very large number of message attachments. F
Published
2019-11-06T20:07:27.000Z
Last modified
2024-08-04T23:17:40.123Z
01What is this vulnerability?
Apache CXF before 3.3.4 and 3.2.11 does not restrict the number of message attachments present in a given message. This leaves open the possibility of a denial of service type attack, where a malicious user crafts a message containing a very large number of message attachments. From the 3.3.4 and 3.2.11 releases, a default limit of 50 message attachments is enforced. This is configurable via the…
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / Apache CXF | Apache CXF versions before 3.3.4 and 3.2.11 |
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: 2019-11-06T20:07:27.000Z
- Last modified: 2024-08-04T23:17:40.123Z
09References
- lists.apache.org — https://lists.apache.org/thread.html/rc774278135816e7afc943dc9fc78eb0764f2c84a2b…
- lists.apache.org — https://lists.apache.org/thread.html/r36e44ffc1a9b365327df62cdfaabe85b9a5637de10…
- lists.apache.org — https://lists.apache.org/thread.html/rff42cfa5e7d75b7c1af0e37589140a8f1999e578a7…
- www.oracle.com — https://www.oracle.com/security-alerts/cpuapr2020.html
- www.oracle.com — https://www.oracle.com/security-alerts/cpujan2020.html
- lists.apache.org — https://lists.apache.org/thread.html/rb2a6dab1f781f55326543c56dc29ea677759439ddf…
- lists.apache.org — https://lists.apache.org/thread.html/r92238967ba2783d3ab5a483f2e17f5fdaa8ace9899…
- lists.apache.org — https://lists.apache.org/thread.html/rabc395b38acb7f2465bfbf0bc16d6e1e95720c89be…
- lists.apache.org — https://lists.apache.org/thread.html/rca465c9d1e1969281338522b76701c85a07abd045c…
- lists.apache.org — https://lists.apache.org/thread.html/rd49aabd984ed540c8ff7916d4d79405f3fa311d2fd…
- lists.apache.org — https://lists.apache.org/thread.html/rec7160382badd3ef4ad017a22f64a266c7188b9ba7…
- www.oracle.com — https://www.oracle.com/security-alerts/cpuApr2021.html
- cxf.apache.org — http://cxf.apache.org/security-advisories.data/CVE-2019-12406.txt.asc
- lists.apache.org — https://lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49…
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