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CVE-2021-39139Date: (C)2021-08-24   (M)2023-12-22


XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may allow a remote attacker to load and execute arbitrary code from a remote host only by manipulating the processed input stream. A user is only affected if using the version out of the box with JDK 1.7u21 or below. However, this scenario can be adjusted easily to an external Xalan that works regardless of the version of the Java runtime. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. XStream 1.4.18 uses no longer a blacklist by default, since it cannot be secured for general purpose.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 8.8CVSS Score : 6.5
Exploit Score: 2.8Exploit Score: 8.0
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: SINGLE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
DSA-5004
FEDORA-2021-5e376c0ed9
FEDORA-2021-d894ca87dc
FEDORA-2021-fbad11014a
N/A
https://lists.debian.org/debian-lts-announce/2021/09/msg00017.html
https://github.com/x-stream/xstream/security/advisories/GHSA-64xx-cq4q-mf44
https://security.netapp.com/advisory/ntap-20210923-0003/
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.oracle.com/security-alerts/cpujan2022.html
https://x-stream.github.io/CVE-2021-39139.html

CPE    1
cpe:/o:debian:debian_linux:9.0
CWE    1
CWE-502
OVAL    8
oval:org.secpod.oval:def:120871
oval:org.secpod.oval:def:120874
oval:org.secpod.oval:def:708024
oval:org.secpod.oval:def:89392
...

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