Security Bulletin: IBM Observability with Instana is affected by Multiple Security Vulnerabilities

Summary

Multiple vulnerabilities were remediated in IBM Observability with Instana build 265.

Vulnerability Details

CVEID:CVE-2023-20861
**DESCRIPTION:**VMware Tanzu Spring Framework is vulnerable to a denial of service. By sending a specially crafted SpEL expression, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/250701 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2023-20863
**DESCRIPTION:**VMware Tanzu Spring Framework is vulnerable to a denial of service, caused by improper input validation. By sending a specially crafted SpEL expression, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/252807 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2023-40167
**DESCRIPTION:**Jetty is vulnerable to HTTP request smuggling, caused by improper parsing of the HTTP/1 request header. By sending a specially crafted request, a remote attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/266353 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2023-6481
**DESCRIPTION:**QOS.ch Sarl Logback is vulnerable to a denial of service, caused by a serialization flaw in the logback receiver component. By sending a specially crafted data, a local attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/273013 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)

CVEID:CVE-2023-29406
**DESCRIPTION:**Golang Go is vulnerable to HTTP header injection, caused by improper contents validation of Host header by the HTTP/1 client. By persuading a victim to visit a specially crafted Web page, a remote attacker could exploit this vulnerability to inject arbitrary HTTP headers, which will allow the attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/260573 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)

CVEID:CVE-2023-34454
**DESCRIPTION:**snappy-java is vulnerable to a denial of service, caused by an integer overflow in the compress function. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/258188 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2023-34453
**DESCRIPTION:**snappy-java is vulnerable to a denial of service, caused by an integer overflow in the shuffle function. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/258186 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2023-29409
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by an uncontrolled resource consumption flaw. By persuading a victim to use a specially crafted certificate with large RSA keys, an remote attacker could exploit this vulnerability to cause a client/server to expend significant CPU time verifying signatures, and results in a denial of service condition.
CVSS Base score: 5.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/262400 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H)

CVEID:CVE-2023-36479
**DESCRIPTION:**Eclipse Jetty could provide weaker than expected security, caused by an errant command quoting flaw in the org.eclipse.jetty.servlets.CGI Servlet. A remote authenticated attacker could exploit this vulnerability to launch further attacks on the system.
CVSS Base score: 3.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/266435 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N)

**IBM X-Force ID:**261776
**DESCRIPTION:**Eclipse Jetty is vulnerable to server-side request forgery, caused by improper handling of XML external entity (XXE) declarations by the XmlParser. By sending a specially crafted request, an attacker could exploit this vulnerability to conduct SSRF attack or cause a denial of service condition.
CVSS Base score: 3.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/261776 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing these vulnerabilities now by updating IBM Observability with Instana (Self-hosted on Docker) to the latest release as described here:

<https://www.ibm.com/docs/en/instana-observability/current&gt;

Workarounds and Mitigations

None