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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTU5anctanFmNC0zd3Ez

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, you will have to use at least version 1.4.16.

Workarounds

See workarounds 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-2021-21344.

Credits

钟潦贵 (Liaogui Zhong) found and reported the issue to XStream and provided the required information to reproduce it.

For more information

If you have any questions or comments about this advisory:

Permalink: https://github.com/advisories/GHSA-59jw-jqf4-3wq3
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTU5anctanFmNC0zd3Ez
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: over 3 years ago
Updated: over 1 year ago


CVSS Score: 5.3
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

Identifiers: GHSA-59jw-jqf4-3wq3, CVE-2021-21344
References: Repository: https://github.com/x-stream/xstream
Blast Radius: 23.4

Affected Packages

maven:com.thoughtworks.xstream:xstream
Dependent packages: 1,882
Dependent repositories: 25,482
Downloads:
Affected Version Ranges: < 1.4.16
Fixed in: 1.4.16
All affected versions: 1.0.1, 1.0.2, 1.1.1, 1.1.2, 1.1.3, 1.2.1, 1.2.2, 1.3.1, 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.4.8, 1.4.9, 1.4.10, 1.4.11, 1.4.12, 1.4.13, 1.4.14, 1.4.15
All unaffected versions: 1.4.16, 1.4.17, 1.4.18, 1.4.19, 1.4.20