Security Bulletin: CVE-2018-1099, CVE-2018-1098 may affect IBM CICS TX Advanced

Summary

CVE-2018-1099, CVE-2018-1098 related to etcd package may affect IBM CICS TX Advanced. IBM CICS TX Advanced has addressed the applicable CVEs.

Vulnerability Details

CVEID:CVE-2018-1099
**DESCRIPTION:**etcd could allow a remote attacker to gain access to the DNS records, caused by a DNS rebinding. An attacker could exploit this vulnerability to rebind DNS records.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/141541 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2018-1098
**DESCRIPTION:**etcd is vulnerable to cross-site request forgery, caused by improper validation of user-supplied input. By persuading an authenticated user to visit a malicious Web site, a remote attacker could send a malformed HTTP request to perform unauthorized actions. An attacker could exploit this vulnerability to perform cross-site scripting attacks, Web cache poisoning, and other malicious activities.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/141542 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

IBM recommends you apply these fixes.

Product

| VRMF|APAR|Remediation / First Fix
—|—|—|—
IBM CICS TX Advanced| 11.1| Updated packages related to etcd are built with an IFIX and IFIX is made available on Fix Central|

Linux: Fix Central Link

Workarounds and Mitigations

None