Security Bulletin: IBM WebSphere Application Server Liberty for IBM i is vulnerable to weak TLS security, cross-site scripting, denial of service, and a server-side request forgery due to multiple vulnerabilities.

Summary

IBM WebSphere Application Server Liberty for IBM i is vulnerable weaker than expected TLS security [CVE-2023-50312], cross-site scripting with JavaScript code [CVE-2024-27270], and sending specially crated requests to cause denial of service [CVE-2024-25026, CVE-2024-27268, CVE-2024-22353] and a server-side request forgery [CVE-2024-22329] as described in the vulnerability details section. This bulletin identifies the steps to take to address the vulnerabilities as described in the remediation/fixes section.

Vulnerability Details

CVEID:CVE-2023-50312
**DESCRIPTION:**IBM WebSphere Application Server Liberty 17.0.0.3 through 24.0.0.2 could provide weaker than expected security for outbound TLS connections caused by a failure to honor user configuration. IBM X-Force ID: 274711.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/274711 for the current score.
CVSS Vector: (CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2024-27270
**DESCRIPTION:**IBM WebSphere Application Server Liberty 23.0.0.3 through 24.0.0.3 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in a specially crafted URI. IBM X-Force ID: 284576.
CVSS Base score: 4.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/284576 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N)

CVEID:CVE-2024-25026
**DESCRIPTION:**IBM WebSphere Application Server 8.5, 9.0 and IBM WebSphere Application Server Liberty 17.0.0.3 through 24.0.0.4 are vulnerable to a denial of service, caused by sending a specially crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources. IBM X-Force ID: 281516.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/281516 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-2024-27268
**DESCRIPTION:**IBM WebSphere Application Server Liberty 18.0.0.2 through 24.0.0.4 is vulnerable to a denial of service, caused by sending a specially crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources. IBM X-Force ID: 284574.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/284574 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-2024-22329
**DESCRIPTION:**IBM WebSphere Application Server 8.5, 9.0 and IBM WebSphere Application Server Liberty 17.0.0.3 through 24.0.0.3 are vulnerable to server-side request forgery (SSRF). By sending a specially crafted request, an attacker could exploit this vulnerability to conduct the SSRF attack. X-Force ID: 279951.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/279951 for the current score.
CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID:CVE-2024-22353
**DESCRIPTION:**IBM WebSphere Application Server Liberty 17.0.0.3 through 24.0.0.4 is vulnerable to a denial of service, caused by sending a specially crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources. IBM X-Force ID: 280400.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/280400 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)

Affected Products and Versions

Remediation/Fixes

The issue can be fixed by applying a PTF to IBM i. IBM i releases 7.5, 7.4, 7.3, and 7.2 will be fixed.

The IBM i PTF numbers for 5770-SS1 Option 3 contain the fix for the vulnerabilities.

IBM i Release| 5770-SS1 Option 3
PTF Numbers| PTF Download Link
—|—|—
7.5| SJ00187| <https://www.ibm.com/mysupport/s/fix-information?legacy=SJ00187&gt;
7.4| SJ00190| <https://www.ibm.com/mysupport/s/fix-information?legacy=SJ00190&gt;
7.3| SJ00188| <https://www.ibm.com/mysupport/s/fix-information?legacy=SJ00188&gt;
7.2| SJ00189| <https://www.ibm.com/mysupport/s/fix-information?legacy=SJ00189&gt;

<https://www.ibm.com/support/fixcentral&gt;

Important note: IBM recommends that all users running unsupported versions of affected products upgrade to supported and fixed version of affected products.

Workarounds and Mitigations

None.