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Security Advisory

ZLIB - CVE-2018-25032
Published: Thursday, May 12th, 2022
Last Update: Thursday, May 12th, 2022
Summary

In March 2022, a vulnerability in the “zlib” data compression library [1] was published [2]. This vulnerability, addressed in this document, could impact operations when restoring configuration information in ACOS systems that enable L3V (Layer 3 Virtualization) partitions and features.

Item Score
# Vulnerability ID Source Score Summary
1 CVE-2018-25032 CVSS 3.0 7.5 High zlib: A flaw in zlib-1.2.11 when compressing (not decompressing!) certain inputs. [3]
Affected Releases

The table below indicates releases of ACOS exposed to this vulnerability and ACOS releases that address them. ACOS release families not indicated below are unaffected by these vulnerabilities.

Customers using affected ACOS releases can overcome vulnerability exposures by updating to the indicated resolved release. If the table does not list a corresponding resolved or unaffected release, then no ACOS release update is currently available.

Releases Affected Releases Resolved or Unaffected
5.0.0 - 5.2.1-P4 5.2.1-P5
4.1.4-GR1 - 4.1.4-GR1-P10 4.1.4-GR1-P11
Workarounds and Mitigations

None

Software Updates

Software updates that address these vulnerabilities are or will be published at the following URL: https://support.a10networks.com/support/axseries

Vulnerability Details

The following table shares brief descriptions for the vulnerabilities addressed in this document.

Vulnerability ID Vulnerability Description
CVE-2018-25032

zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.

Acknowledgements

None

Modification History
Revision Date Description
1.0 Thursday, May 12th, 2022

Initial Publication


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zLib-CVE-2018-25032