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AUSCERT External Security Bulletin Redistribution
CVE-2017-12624: Apache CXF web services that process attachments are
vulnerable to Denial of Service (DoS) attacks
15 November 2017
AusCERT Security Bulletin Summary
Product: Apache CXF
Publisher: The Apache Software Foundation
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2017-12624
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CVE-2017-12624: Apache CXF web services that process attachments are vulnerable to Denial of Service (DoS) attacks
Vendor: The Apache Software Foundation
This vulnerability affects all versions of Apache CXF prior to 3.2.1 and
Apache CXF supports sending and receiving attachments via either the JAX-WS or
JAX-RS specifications. It is possible to craft a message attachment header
that could lead to a Denial of Service (DoS) attack on a CXF web service
provider. Both JAX-WS and JAX-RS services are vulnerable to this attack.
- - From Apache CXF 3.2.1 and 3.1.14, message attachment headers that are greater
than 300 characters will be rejected by default. This value is configurable
via the property "attachment-max-header-size".
This has been fixed in revision:
Apache CXF users should upgrade to 3.2.1 or 3.1.14 as soon as possible if they
are using web services with attachments.
This issue was reported by Wang, Shixiang (Kevin) from Nokia.
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