Security Bulletin: IBM Cloud Pak for Network Automation 2.6.3 fixes multiple security vulnerabilities

Summary

IBM Cloud Pak for Network Automation 2.6.3 fixes multiple security vulnerabilities, listed in the CVEs below.

Vulnerability Details

CVEID:CVE-2023-35887
**DESCRIPTION:**Apache MINA SSHD could allow a remote authenticated attacker to obtain sensitive information, caused by improper authorization validation by the RootedFilesystem. By sending a specially crafted request, an attacker could exploit this vulnerability to obtain information about items outside the rooted tree, and use this information to launch further attacks against the affected system.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/259974 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2023-26115
**DESCRIPTION:**Node.js word-wrap module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in the result variable. By sending a specially crafted regex input, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/256901 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-2021-33621
**DESCRIPTION:**RubyGems cgi gem is vulnerable to HTTP response splitting attacks. A remote authenticated attacker could exploit this vulnerability to inject arbitrary HTTP/1.1 response header in some form and cause the server to return a split response, once the URL is clicked. This would allow the attacker to perform further attacks, such as Web cache poisoning or cross-site scripting, and possibly obtain sensitive information.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/240690 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

CVEID:CVE-2023-27522
**DESCRIPTION:**Apache HTTP Server is vulnerable to HTTP request smuggling, caused by improper parsing of the HTTP transfer-encoding request header by the mod_proxy_uwsgi module. By sending a specially-crafted HTTP(S) transfer-encoding request header, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/249442 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID:CVE-2023-26364
**DESCRIPTION:**Node.js @adobe/css-tools module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw. By providing specially crafted regex input using a CSS file, a remote authenticated attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/265366 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L)

CVEID:CVE-2023-34462
**DESCRIPTION:**Netty is vulnerable to a denial of service, caused by a flaw with allocating up to 16MB of heap for each channel during the TLS handshake the SniHandler class. By sending a specially crafted client hello packet, a remote authenticated attacker could exploit this vulnerability to cause a OutOfMemoryError and so result in a denial of service condition.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/258713 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2023-26136
**DESCRIPTION:**Salesforce tough-cookie could allow a remote attacker to execute arbitrary code on the system, caused by a prototype pollution flaw due to improper handling of Cookies when using CookieJar in rejectPublicSuffixes=false mode. By adding or modifying properties of Object.prototype using a proto or constructor payload, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/259555 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID:CVE-2023-38408
**DESCRIPTION:**OpenSSH could allow a remote attacker to execute arbitrary code on the system, caused by a flaw in the forwarded ssh-agent. By sending specially crafted requests, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/261022 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID:CVE-2023-3899
**DESCRIPTION:**Red Hat Enterprise Linux could allow a local authenticated attacker to gain elevated privileges on the system, caused by improper authorization by the subscription-manager. By sending a specially crafted request through D-Bus interface com.redhat.RHSM1, an authenticated attacker could exploit this vulnerability to gain elevated privileges to an unconfined root.
CVSS Base score: 7.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/264328 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

As per CVEs listed above

IBM strongly suggests the following remediation / fixes:

IBM Cloud Pak for Network Automation v2.x can be deployed on-premises.

Please go to <https://www.ibm.com/docs/en/cloud-paks/cp-network-auto/2.6.x&gt; to follow the installation instructions relevant to your chosen architecture.

Workarounds and Mitigations

None. Upgrade to the latest version.