8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.974 High
EPSS
Percentile
99.9%
Debian Security Advisory DSA-4811-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
December 15, 2020 https://www.debian.org/security/faq
Package : libxstream-java
CVE ID : CVE-2020-26217
It was discovered that the default blacklist of XStream, a Java library
to serialise objects to XML and back again, was vulnerable to the
execution of arbitrary shell commands by manipulating the processed
input stream.
For additional defense-in-depth it is recommended to switch to the
whitelist approach of XStream's security framework. For additional
information please refer to
https://github.com/x-stream/xstream/security/advisories/GHSA-mw36-7c6c-q4q2
For the stable distribution (buster), this problem has been fixed in
version 1.4.11.1-1+deb10u1.
We recommend that you upgrade your libxstream-java packages.
For the detailed security status of libxstream-java please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libxstream-java
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 9 | all | libxstream-java | < 1.4.9-2+deb9u1 | libxstream-java_1.4.9-2+deb9u1_all.deb |
Debian | 10 | all | libxstream-java | < 1.4.11.1-1+deb10u1 | libxstream-java_1.4.11.1-1+deb10u1_all.deb |
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.974 High
EPSS
Percentile
99.9%