Maurice Grefe (
https://osgeo-org.atlassian.net/secure/ViewProfile.jspa?accountId=5eb5466086d01b0b7d28c932
) *created* an issue
GeoServer (
https://osgeo-org.atlassian.net/browse/GEOS?atlOrigin=eyJpIjoiMmEzMWI3Y2JhMzgyNDkwM2I0YmIwZDIyMmNhYmNlNzEiLCJwIjoiaiJ9
) / Bug (
https://osgeo-org.atlassian.net/browse/GEOS-10280?atlOrigin=eyJpIjoiMmEzMWI3Y2JhMzgyNDkwM2I0YmIwZDIyMmNhYmNlNzEiLCJwIjoiaiJ9
) GEOS-10280 (
https://osgeo-org.atlassian.net/browse/GEOS-10280?atlOrigin=eyJpIjoiMmEzMWI3Y2JhMzgyNDkwM2I0YmIwZDIyMmNhYmNlNzEiLCJwIjoiaiJ9
) Geoserver Xstream version (current 1.4.11.1) has known vulnerabilities (
https://osgeo-org.atlassian.net/browse/GEOS-10280?atlOrigin=eyJpIjoiMmEzMWI3Y2JhMzgyNDkwM2I0YmIwZDIyMmNhYmNlNzEiLCJwIjoiaiJ9
)
Issue Type: Bug Assignee: Unassigned Created: 18/Oct/21 4:53 PM Priority:
Medium Reporter: Maurice Grefe (
https://osgeo-org.atlassian.net/secure/ViewProfile.jspa?accountId=5eb5466086d01b0b7d28c932
)
Hello all,
I don't know if the following vulnerabilities are relevant (a similar ticket
was already addressed in August 2019 ( GEOS-9307 (
https://osgeo-org.atlassian.net/browse/GEOS-9307 ) ) ), however the
vulnerabilities are rated Critical and are already fixed by a newer version.
Critical:
* CVE-2021-21351, CVE-2021-21345, CVE-2021-21350, CVE-2021-21344,
CVE-2021-21347, CVE-2021-21342,
CVE-2021-21346 - vulnerability may allow a remote attacker to load and execute
arbitrary code from a remote host only by manipulating the processed input
stream
High:
* CVE-2021-39151, CVE-2021-39153, CVE-2021-39154, CVE-2020-26217,
CVE-2020-26258, CVE-2021-39141: vulnerability may allow a remote attacker has
sufficient rights to execute commands of the host only by manipulating the
processed input stream.
* CVE-2021-21341: vulnerability which may allow a remote attacker to allocate
100% CPU time on the target system depending on CPU type or parallel execution
of such a payload resulting in a denial of service only by manipulating the
processed input stream.
* CVE-2021-21343: vulnerability where the processed stream at unmarshalling
time contains type information to recreate the formerly written objects.
XStream creates therefore new instances based on these type information. An
attacker can manipulate the processed input stream and replace or inject
objects, that result in the deletion of a file on the local host.
Version 1.4.18 Link ( https://x-stream.github.io/changes.html#1.4.18 ) will fix
all these vulnerabilities.
(
https://osgeo-org.atlassian.net/browse/GEOS-10280#add-comment?atlOrigin=eyJpIjoiMmEzMWI3Y2JhMzgyNDkwM2I0YmIwZDIyMmNhYmNlNzEiLCJwIjoiaiJ9
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