A Server-Side Forgery Request can be activated unmarshalling with XStream to access data streams from an arbitrary URL referencing a resource in an intranet or the local host
Impact
The vulnerability may allow a remote attacker to request data from internal resources that are not publicly available 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-2021-21349.
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
- Contact us at XStream Google Group
Czego dotyczy
Kliknij technologię, aby zobaczyć wszystkie dotyczące jej podatności.
| Platforma | Paczka | Podatne wersje | Poprawka w wersji |
|---|---|---|---|
| Java / Kotlin (Maven) | com.thoughtworks.xstream:xstream | < 1.4.16 | 1.4.16 |
Odnośniki
- https://github.com/x-stream/xstream/security/advisories/GHSA-f6hm-88x3-mfjv
- https://nvd.nist.gov/vuln/detail/CVE-2021-21349
- https://github.com/x-stream/xstream
- https://lists.apache.org/thread.html/r8244fd0831db894d5e89911ded9c72196d395a90ae655414d23ed0dd@%3Cusers.activemq.apache.org%3E
- https://lists.apache.org/thread.html/r9ac71b047767205aa22e3a08cb33f3e0586de6b2fac48b425c6e16b0@%3Cdev.jmeter.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2021/04/msg00002.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB
- https://security.netapp.com/advisory/ntap-20210430-0002
- https://www.debian.org/security/2021/dsa-5004
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://x-stream.github.io/CVE-2021-21349.html
- https://x-stream.github.io/security.html#workaround
- http://x-stream.github.io/changes.html#1.4.16
- Wektor CVSS
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N- Słabość (CWE)
CWE-502, CWE-918- Platforma
- Java / Kotlin (Maven)
- Paczka
com.thoughtworks.xstream:xstream- Ujawniono
- 22.03.2021
- Aktualizacja
- 11.10.2026 12:22
Źródła i licencje
OSV / GitHub Advisory Database - GHSA-f6hm-88x3-mfjv - CC BY 4.0
Historia podatności: com.thoughtworks.xstream:xstream
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