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ibmIBMDC6227B5FADC6BCD577F4D87652F816B3EBA9EC54A04943E6907CA0B82BECA66
HistoryFeb 20, 2023 - 6:33 a.m.

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

2023-02-2006:33:10
www.ibm.com
11

7.5 High

CVSS3

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.019 Low

EPSS

Percentile

88.3%

JSON

Summary

IBM B2B Advanced Communications has addressed vulnerabilities in SnakeYAML shipped with product.

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 B2B Advanced Communications 1.0.0.x
IBM Multi-Enterprise Integration Gateway 1.0.0.1

Remediation/Fixes

Product |

Version

|

Remediation

—|—|—

IBM B2B Advanced Communications

|

1.0.0.x

| Apply fix pack 1.0.0.8
IBM Multi-Enterprise Integration Gateway|

1.0.0.1

| Apply fix pack 1.0.0.8

Workarounds and Mitigations

None

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7.5 High

CVSS3

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.019 Low

EPSS

Percentile

88.3%

JSON
Related for DC6227B5FADC6BCD577F4D87652F816B3EBA9EC54A04943E6907CA0B82BECA66
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