CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
AI Score
Confidence
High
EPSS
Percentile
83.8%
Issue Overview:
XStream serializes Java objects to XML and back again. Versions prior to 1.4.20 may allow a remote attacker to terminate the application with a stack overflow error, resulting in a denial of service only via manipulation the processed input stream. The attack uses the hash code implementation for collections and maps to force recursive hash calculation causing a stack overflow. This issue is patched in version 1.4.20 which handles the stack overflow and raises an InputManipulationException instead. A potential workaround for users who only use HashMap or HashSet and whose XML refers these only as default map or set, is to change the default implementation of java.util.Map and java.util per the code example in the referenced advisory. However, this implies that your application does not care about the implementation of the map and all elements are comparable. (CVE-2022-41966)
Affected Packages:
xstream
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update xstream to update your system.
New Packages:
noarch:
xstream-1.3.1-16.amzn2.0.1.noarch
xstream-javadoc-1.3.1-16.amzn2.0.1.noarch
src:
xstream-1.3.1-16.amzn2.0.1.src
Red Hat: CVE-2022-41966
Mitre: CVE-2022-41966
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | noarch | xstream | < 1.3.1-16.amzn2.0.1 | xstream-1.3.1-16.amzn2.0.1.noarch.rpm |
Amazon Linux | 2 | noarch | xstream-javadoc | < 1.3.1-16.amzn2.0.1 | xstream-javadoc-1.3.1-16.amzn2.0.1.noarch.rpm |