Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTRocm0tbTY3di01Y3hy

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-2021-21346.

Credits

wh1t3p1g G5-RD6@IIE 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:

• Open an issue in XStream
• Contact us at XStream Google Group

Permalink: https://github.com/advisories/GHSA-4hrm-m67v-5cxr
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTRocm0tbTY3di01Y3hy
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: about 3 years ago
Updated: about 1 year ago

CVSS Score: 6.1
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N

Identifiers: GHSA-4hrm-m67v-5cxr, CVE-2021-21346
References:

• https://github.com/x-stream/xstream/security/advisories/GHSA-4hrm-m67v-5cxr
• https://x-stream.github.io/security.html#workaround
• http://x-stream.github.io/changes.html#1.4.16
• https://nvd.nist.gov/vuln/detail/CVE-2021-21346
• https://x-stream.github.io/CVE-2021-21346.html
• https://lists.debian.org/debian-lts-announce/2021/04/msg00002.html
• https://lists.apache.org/thread.html/r9ac71b047767205aa22e3a08cb33f3e0586de6b2fac48b425c6e16b0@%3Cdev.jmeter.apache.org%3E
• https://lists.apache.org/thread.html/r8244fd0831db894d5e89911ded9c72196d395a90ae655414d23ed0dd@%3Cusers.activemq.apache.org%3E
• https://security.netapp.com/advisory/ntap-20210430-0002/
• https://lists.fedoraproject.org/archives/list/[email protected]/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP/
• https://lists.fedoraproject.org/archives/list/[email protected]/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB/
• https://www.oracle.com//security-alerts/cpujul2021.html
• https://www.oracle.com/security-alerts/cpuoct2021.html
• https://lists.fedoraproject.org/archives/list/[email protected]/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7/
• https://www.debian.org/security/2021/dsa-5004
• https://www.oracle.com/security-alerts/cpujan2022.html
• https://github.com/advisories/GHSA-4hrm-m67v-5cxr

Repository: https://github.com/x-stream/xstream
Blast Radius: 26.9

Affected Packages