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osvGoogleOSV:GHSA-59JW-JQF4-3WQ3
HistoryMar 22, 2021 - 11:28 p.m.

XStream is vulnerable to an Arbitrary Code Execution attack

2021-03-2223:28:23
Google
osv.dev
15
xstream
vulnerability
remote code execution
security framework
xstream's documentation
cve-2021-21344
liaogui zhong

EPSS

0.018

Percentile

88.3%

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 XStreamโ€™s security framework with a whitelist limited to the minimal required types.

Patches

If you rely on XStreamโ€™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 XStreamโ€™s documentation for CVE-2021-21344.

Credits

้’Ÿๆฝฆ่ดต (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:

References