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CVE-2017-7957

Published: 29 April 2017

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.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
libxstream-java
Launchpad, Ubuntu, Debian
artful Not vulnerable

bionic Not vulnerable

precise Ignored
(end of life)
trusty
Released (1.4.7-1ubuntu0.1)
upstream Needs triage

xenial
Released (1.4.8-1ubuntu0.1)
yakkety Ignored
(end of life)
zesty Ignored
(end of life)
Patches:
upstream: https://github.com/x-stream/xstream/commit/b3570be

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H