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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
16

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

0.003 Low

EPSS

Percentile

68.0%

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

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

0.003 Low

EPSS

Percentile

68.0%