Security Bulletin: IBM App Connect Enterprise Certified Container UBI updates

Summary

IBM App Connect Enterprise Certified Container (ACEcc) is built on the Red Hat Universal Base Images. ACEcc operator versions 5.0.19 (LTS), 12.0.1 (LTS) and 12.2.0 contain fixes to the listed CVEs found in the base images. This bulletin provides patch information to address the reported vulnerabilities.

Vulnerability Details

CVEID:CVE-2023-6004
**DESCRIPTION:**libssh could allow a local authenticated attacker to execute arbitrary commands on the system, caused by a flaw in the ProxyCommand handling. By sending a specially crafted request using hostname in expanded proxycommand, an attacker could exploit this vulnerability to execute arbitrary commands on the system.
CVSS Base score: 3.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/275743 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N)

CVEID:CVE-2023-6918
**DESCRIPTION:**libssh is vulnerable to a denial of service, caused by an unchecked return value flaw for the abstract layer for message digest (MD) operations. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/275423 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2023-7008
**DESCRIPTION:**systemd is vulnerable to a man-in-the-middle attack, caused by a flaw with able to accept records of DNSSEC-signed domains even when they have no signature. An attacker could exploit this vulnerability to launch a man-in-the-middle attack and gain access to the communication channel between endpoints to manipulate records.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/280246 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)

CVEID:CVE-2024-22365
**DESCRIPTION:**Linux-pam is vulnerable to a denial of service, caused by a flaw in pam_namespace.so. By sending a specially crafted request, a local attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/279864 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2024-25062
**DESCRIPTION:**GNOME libxml2 is vulnerable to a denial of service, caused by a use-after-free flaw in the xmlValidatePopElement() function. By persuading a victim to open a specially crafted content, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 10
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/281615 for the current score.
CVSS Vector:

CVEID:CVE-2024-28182
**DESCRIPTION:**nghttp2 is vulnerable to a denial of service, caused by a memory exhaustion flaw due to flood of CONTINUATION frames in the HTTP/2 protocol stack. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause excessive CPU usage, and results in a denial of service condition.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/286963 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-2024-2961
**DESCRIPTION:**GNU C Library could allow a remote attacker to execute arbitrary code on the system, caused by an out-of-bounds write in the ISO-2022-CN-EXT plugin. By sending specially crafted input, an attacker could exploit this vulnerability to overwrite critical data structures and execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/287843 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-2024-33599
**DESCRIPTION:**glibc is vulnerable to a stack-based buffer overflow, caused by improper bounds checking when the Name Service Cache Daemon’s (nscd) fixed size cache is exhausted by client requests. By sending a subsequent client request, a remote attacker could exploit this vulnerability to overflow a buffer and execute arbitrary code on the system.
CVSS Base score: 7.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/290172 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H)

CVEID:CVE-2024-33600
**DESCRIPTION:**glibc is vulnerable to a denial of service, caused by a NULL pointer dereference when the Name Service Cache Daemon’s (nscd) cache fails to add a not-found netgroup response to the cache. 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/290171 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-2024-33601
**DESCRIPTION:**glibc is vulnerable to a denial of service, caused by a memory allocation failure when the Name Service Cache Daemon’s (nscd) netgroup cache uses the xmalloc or xrealloc functions. A local attacker could exploit this vulnerability to terminate the daemon.
CVSS Base score: 4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/290170 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2024-33602
**DESCRIPTION:**glibc is vulnerable to a denial of service, caused by a memory corruption by the Name Service Cache Daemon’s (nscd) netgroup cache when the NSS callback fails to store all strings in the provided buffer. A local attacker could exploit this vulnerability to corrupt memory and cause a denial of service.
CVSS Base score: 4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/290169 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2023-27043
**DESCRIPTION:**Python could allow a remote attacker to bypass security restrictions, caused by a parsing flaw in the email.utils.parsaddr() and email.utils.getaddresses() functions. By sending a specially-crafted e-mail addresses with a special character, an attacker could exploit this vulnerability to send messages from e-mail addresses that would otherwise be rejected.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/253191 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-2023-6597
**DESCRIPTION:**Python could provide weaker than expected security, caused by an issue with tempfile.TemporaryDirectory fails removing dir in some edge cases related to symlinks. A local attacker could exploit this vulnerability to launch further attacks on the system.
CVSS Base score: 8.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/283230 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly suggests the following:
App Connect Enterprise Certified Container up to 12.1.0 (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 12.2.0 or higher, and ensure that all components are at 12.0.12.4-r1 or higher. Documentation on the upgrade process is available at <https://www.ibm.com/docs/en/app-connect/containers_cd?topic=releases-upgrading-operator&gt;

App Connect Enterprise Certified Container 12.0 LTS (Long Term Support)

Upgrade to App Connect Enterprise Certified Container Operator version 12.0.2 or higher, and ensure that all components are at 12.0.12-r2 or higher. Documentation on the upgrade process is available at <https://www.ibm.com/docs/en/app-connect/12.0?topic=umfpr-upgrading-operator-releases&gt;

App Connect Enterprise Certified Container 5.0 LTS (Long Term Support)

Upgrade to App Connect Enterprise Certified Container Operator version 5.0.19 or higher, and ensure that all components are at 12.0.12.3-r1-lts or higher. Documentation on the upgrade process is available at <https://www.ibm.com/docs/en/app-connect-contlts?topic=releases-upgrading-operator&gt;

Workarounds and Mitigations

None