CVE-2016-2173: Input Validation
First published: Tue Apr 12 2016(Updated: )
A remote code execution vulnerability was found in Spring AMQP. The class org.springframework.core.serializer.DefaultDeserializer does not validate the deserialized object against a whitelist. By supplying a crafted serialized object like Chris Frohoff's Commons Collection gadget, remote code execution can be achieved. External references: <a href="https://jira.spring.io/browse/AMQP-590">https://jira.spring.io/browse/AMQP-590</a> <a href="http://pivotal.io/security/cve-2016-2173">http://pivotal.io/security/cve-2016-2173</a> Upstream fix: <a href="https://github.com/spring-projects/spring-amqp/commit/4150f107e60cac4a7735fcf7cb4c1889a0cbab6c">https://github.com/spring-projects/spring-amqp/commit/4150f107e60cac4a7735fcf7cb4c1889a0cbab6c</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Red Hat Fedora | =22 | |
| Red Hat Fedora | =23 | |
| Red Hat Fedora | =24 | |
| Spring AMQP | <1.5.5 |
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Reference Links
- https://jira.spring.io/browse/AMQP-590
- http://pivotal.io/security/cve-2016-2173
- https://github.com/spring-projects/spring-amqp/commit/4150f107e60cac4a7735fcf7cb4c1889a0cbab6c
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1326206
- https://bugzilla.redhat.com/show_bug.cgi?id=1326205
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182551.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182850.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182959.html
- https://pivotal.io/security/cve-2016-2173
Frequently Asked Questions
What is the severity of CVE-2016-2173?
CVE-2016-2173 is classified as a critical severity vulnerability due to its potential for remote code execution.
How do I fix CVE-2016-2173?
To mitigate CVE-2016-2173, upgrade Spring AMQP to version 1.5.5 or later.
Which software is affected by CVE-2016-2173?
CVE-2016-2173 affects Fedora versions 22, 23, and 24, as well as Spring AMQP versions prior to 1.5.5.
What type of vulnerability is CVE-2016-2173?
CVE-2016-2173 is a remote code execution vulnerability stemming from improper deserialization checks.
What do I need to understand about CVE-2016-2173's exploit?
Exploiting CVE-2016-2173 requires supplying a crafted serialized object that bypasses the deserialization validation.
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- canonical/red hat fedora
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- canonical/spring amqp