PT-2021-22410 · Oracle+6 · Javafx+7
Published
2021-08-23
·
Updated
2024-06-15
·
CVE-2021-39153
CVSS v3.1
8.5
High
| Vector | AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
XStream versions prior to 1.4.18
Description
This issue may allow a remote attacker to load and execute arbitrary code from a remote host by manipulating the processed input stream, if using the version out of the box with Java runtime version 14 to 8 or with JavaFX installed. Users who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types are not affected. The vulnerability is related to the use of a blacklist by default, which cannot be secured for general purpose.
Recommendations
For versions prior to 1.4.18, consider setting up XStream's security framework with a whitelist limited to the minimal required types to mitigate the risk of exploitation. As a temporary workaround, consider restricting the use of the vulnerable library until a patch is available. For XStream version 1.4.18 and later, no additional action is required since it no longer uses a blacklist by default.
Exploit
Fix
Deserialization of Untrusted Data
Unrestricted File Upload
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Related Identifiers
Affected Products
Alt Linux
Astra Linux
Java
Javafx
Linuxmint
Red Hat
Suse
Ubuntu