CVE-2021-21347 – com.thoughtworks.xstream:xstream

Package

Manager: maven
Name: com.thoughtworks.xstream:xstream
Vulnerable Version: >=0 <1.4.16

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N

CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N

EPSS: 0.01962 pctl0.82793

Details

XStream is vulnerable to an Arbitrary Code Execution attack ### Impact The vulnerability may allow a remote attacker to load and execute arbitrary code from a remote host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. ### Patches If you rely on XStream's default blacklist of the [Security Framework](https://x-stream.github.io/security.html#framework), you will have to use at least version 1.4.16. ### Workarounds See [workarounds](https://x-stream.github.io/security.html#workaround) for the different versions covering all CVEs. ### References See full information about the nature of the vulnerability and the steps to reproduce it in XStream's documentation for [CVE-2021-21347](https://x-stream.github.io/CVE-2021-21347.html). ### Credits The vulnerability was discovered and reported by threedr3am. ### For more information If you have any questions or comments about this advisory: * Open an issue in [XStream](https://github.com/x-stream/xstream/issues) * Contact us at [XStream Google Group](https://groups.google.com/group/xstream-user)

Metadata

Created: 2021-03-22T23:29:00Z
Modified: 2022-02-08T21:32:28Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/03/GHSA-qpfq-ph7r-qv6f/GHSA-qpfq-ph7r-qv6f.json
CWE IDs: ["CWE-434", "CWE-502"]
Alternative ID: GHSA-qpfq-ph7r-qv6f
Finding: F096
Auto approve: 1