Security Bulletin: IBM API Connect is vulnerable to denial of service (DoS) via etcd (CVE-2020-15106 CVE-2020-15112 CVE-2020-15113)

Summary

IBM API Connect has addressed the following vulnerability.

Vulnerability Details

CVEID:CVE-2020-15106
**DESCRIPTION:**etcd is vulnerable to a denial of service, caused by improper data validation in the decodeRecord method. By sending a specially crafted data, a remote authenticated attacker could exploit this vulnerability to cause panic in decodeRecord method,
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/186329 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-2020-15112
**DESCRIPTION:**etcd is vulnerable to a denial of service, caused by a flaw in the ReadAll method in wal/wal.go. By sending a specially crafted data, a remote authenticated attacker could exploit this vulnerability to cause a runtime panic.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/186328 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-2020-15113
**DESCRIPTION:**etcd could allow a remote attacker to bypass security restrictions, caused by the lack of permission checks in the os.MkdirAll function when a given directory path exists already. By sending a specially crafted request, an attacker could exploit this vulnerability to bypass access restrictions.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/186327 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)

Affected Products and Versions

Remediation/Fixes

IBM API Connect

V2018.4.1.0-2018.4.1.13

| 2018.4.1.15|

LI81877

|

Addressed in IBM API Connect V2018.4.1.15.

All components are impacted.

Follow this link and find the packages.

http://www.ibm.com/support/fixcentral/swg/quickorder

IBM API Connect

V10.0.1.0

| 10.0.1.1|

LI81877

|

Addressed in IBM API Connect V10.0.1.1

All components are impacted.

Follow this link and find the packages.

http://www.ibm.com/support/fixcentral/swg/quickorder

Workarounds and Mitigations

None