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ibmIBMD5669E8BD806DAFD5634A46DC91CB3F3DF803505AB2E560048173E1D18CE20EB
HistoryMay 16, 2023 - 7:12 p.m.

Security Bulletin: Multiple Security Vulnerabilities fixed in zlib as shipped with IBM Security Verify Gateway/Bridge

2023-05-1619:12:37
www.ibm.com
23
zlib
ibm security verify
radius server
windows login
directory sync
denial of service

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

0.003

Percentile

68.4%

Summary

Security Vulnerabilities found in ‘zlib’ were fixed in the following products: IBM Security Verify Gateway for Windows Login, IBM Security Verify Bridge for Directory Sync, IBM Security Verify Gateway for RADIUS

Vulnerability Details

CVEID:CVE-2018-25032
**DESCRIPTION:**Zlib is vulnerable to a denial of service, caused by a memory corruption in the deflate operation. By using many distant matches, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/222615 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s) Version(s)
IBM Security Verify Gateway RADIUS Server
IBM Security Verify Gateway Windows Login
IBM Security Verify Gateway Directory Sync

Remediation/Fixes

IBM Security Verify Gateway for RADIUS

<https://exchange.xforce.ibmcloud.com/hub/extension/d39efc0e03582d3eed3263d7e7022058&gt;

IBM Security Verify Bridge for Directory Sync

<https://exchange.xforce.ibmcloud.com/hub/extension/9fc025a9db848ac27640110e141429bd&gt;

IBM Security Verify Gateway for Windows Login

<https://exchange.xforce.ibmcloud.com/hub/extension/103b558c1aa73755641fe45493db3301&gt;

Workarounds and Mitigations

None

Affected configurations

Vulners
Node
ibmsecurity_verifyMatch1.0.7
OR
ibmsecurity_verifyMatch1.0.8
OR
ibmsecurity_verifyMatch1.0.9

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

0.003

Percentile

68.4%