CVE-2017-7957

Description

XStream through 1.4.9, when a certain denyTypes workaround is not used, mishandles attempts to create an instance of the primitive type 'void' during unmarshalling, leading to a remote application crash, as demonstrated by an xstream.fromXML("<void/>") call.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 4.28% Top 15%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory github.io
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2017:2888 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:1832 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:2889 third party advisory vendor advisory
http://www.securitytracker.com/id/1039499 vdb entry broken link third party advisory
https://www-prd-trops.events.ibm.com/node/715749 broken link permissions required
https://exchange.xforce.ibmcloud.com/vulnerabilities/125800 third party advisory vdb entry
http://www.debian.org/security/2017/dsa-3841 vendor advisory third party advisory mailing list
http://x-stream.github.io/CVE-2017-7957.html vendor advisory
http://www.securityfocus.com/bid/100687 vdb entry broken link third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-7957?
CVE-2017-7957 has been scored as a high severity vulnerability.
How to fix CVE-2017-7957?
To fix CVE-2017-7957, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7957 being actively exploited in the wild?
It is possible that CVE-2017-7957 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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