A libspring-java security update has been released for Debian GNU/Linux 9 LTS to address multiple vulnerabilities.

DLA 2635-1: libspring-java security update

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Debian LTS Advisory DLA-2635-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/
April 23, 2021   https://wiki.debian.org/LTS
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Package : libspring-java
Version : 4.3.5-1+deb9u1
CVE ID : CVE-2018-1270 CVE-2018-11039 CVE-2018-11040 CVE-2018-15756
Debian Bug : 895114 911786

Multiple vulnerabilities were discovered in libspring-java, a modular
Java/J2EE application framework. An attacker may execute code, perform
XST attack, issue unauthorized cross-domain requests or cause a DoS
(Denial-of-Service) in specific configurations.

CVE-2018-1270

Spring Framework allows applications to expose STOMP over
WebSocket endpoints with a simple, in-memory STOMP broker through
the spring-messaging module. A malicious user (or attacker) can
craft a message to the broker that can lead to a remote code
execution attack.

CVE-2018-11039

Spring Framework allows web applications to change the HTTP
request method to any HTTP method (including TRACE) using the
HiddenHttpMethodFilter in Spring MVC. If an application has a
pre-existing XSS vulnerability, a malicious user (or attacker) can
use this filter to escalate to an XST (Cross Site Tracing) attack.

CVE-2018-11040

Spring Framework allows web applications to enable cross-domain
requests via JSONP (JSON with Padding) through
AbstractJsonpResponseBodyAdvice for REST controllers and
MappingJackson2JsonView for browser requests. Both are not enabled
by default in Spring Framework nor Spring Boot, however, when
MappingJackson2JsonView is configured in an application, JSONP
support is automatically ready to use through the "jsonp" and
"callback" JSONP parameters, enabling cross-domain requests.

CVE-2018-15756

Spring Framework provides support for range requests when serving
static resources through the ResourceHttpRequestHandler, or
starting in 5.0 when an annotated controller returns an
org.springframework.core.io.Resource. A malicious user (or
attacker) can add a range header with a high number of ranges, or
with wide ranges that overlap, or both, for a denial of service
attack.

For Debian 9 stretch, these problems have been fixed in version
4.3.5-1+deb9u1.

We recommend that you upgrade your libspring-java packages.

For the detailed security status of libspring-java please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/libspring-java

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://wiki.debian.org/LTS