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HistoryAug 09, 2022 - 7:59 p.m.

Security Bulletin: IBM Sterling B2B Integrator is vulnerable to denial of service due to SnakeYAML (CVE-2017-18640)

2022-08-0919:59:23
www.ibm.com
12
ibm
sterling b2b integrator
vulnerability
denial of service
snakeyaml
cve-2017-18640

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.019

Percentile

88.5%

Summary

MyFG 2.0 of IBM Sterling B2B Integrator uses SnakeYAML. There is a denial of service vulnerability in SnakeYAML which has been addressed.

Vulnerability Details

CVEID:CVE-2017-18640
**DESCRIPTION:**SnakeYAML is vulnerable to a denial of service, caused by an entity expansion in Alias feature during a load operation. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174331 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)

Affected Products and Versions

Affected Product(s) Version(s)
IBM Sterling B2B Integrator 6.0.0.0 - 6.0.3.5
IBM Sterling B2B Integrator 6.1.0.0 - 6.1.0.4

Remediation/Fixes

Product Version Remediation / Fix
IBM Sterling B2B Integrator 6.0.0.0 - 6.0.3.5 Apply IBM Sterling B2B Integrator version 6.0.3.6 on Fix Central
IBM Sterling B2B Integrator 6.1.0.0 - 6.1.0.4 Apply IBM Sterling B2B Integrator version 6.1.0.5 or 6.1.1.0 on Fix Central

Workarounds and Mitigations

None

Affected configurations

Vulners
Node
ibmsterling_b2b_integratorMatch6.0.0.0
OR
ibmsterling_b2b_integratorMatch6.1.2.0

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.019

Percentile

88.5%