CVE-2017-7957

moderate-risk
Published 2017-04-29

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.

Do I need to act?

~
2.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (5)

Jboss Middleware

Affected Vendors

Xstream Debian Redhat

References (18)

Mailing List http://www.debian.org/security/2017/dsa-3841
Broken Link http://www.securityfocus.com/bid/100687
Broken Link http://www.securitytracker.com/id/1039499
Vendor Advisory http://x-stream.github.io/CVE-2017-7957.html
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:1832
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:2888
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:2889
Third Party Advisory https://exchange.xforce.ibmcloud.com/vulnerabilities/125800
Broken Link https://www-prd-trops.events.ibm.com/node/715749
Mailing List http://www.debian.org/security/2017/dsa-3841
Broken Link http://www.securityfocus.com/bid/100687
Broken Link http://www.securitytracker.com/id/1039499
Vendor Advisory http://x-stream.github.io/CVE-2017-7957.html
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:1832
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:2888
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:2889
Third Party Advisory https://exchange.xforce.ibmcloud.com/vulnerabilities/125800
Broken Link https://www-prd-trops.events.ibm.com/node/715749
44
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 6/34 · Minimal
Exposure 12/34 · Low