CVE-2021-21349 Information

Description

XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16 there is a vulnerability which 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. If you rely on XStream’s default blacklist of the Security Framework you will have to use at least version 1.4.16.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Reference

http://x-stream.github.io/changes.html#1.4.16 https://x-stream.github.io/CVE-2021-21349.html https://x-stream.github.io/security.html#workaround https://github.com/x-stream/xstream/security/advisories/GHSA-f6hm-88x3-mfjv 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://www.oracle.com//security-alerts/cpujul2021.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/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB/ https://www.oracle.com/security-alerts/cpuoct2021.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7/ https://www.debian.org/security/2021/dsa-5004 https://www.oracle.com/security-alerts/cpujan2022.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

8.6