SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2017-7957

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/>")…

HIGH 7.5EPSS 4.93%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
4.93% probability · 92th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
redhat/fuse · redhat/jboss middleware · xstream/xstream · debian/debian linux
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.