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Posted to dev@hc.apache.org by "Oleg Kalnichevski (Jira)" <ji...@apache.org> on 2019/10/24 07:23:00 UTC
[jira] [Resolved] (HTTPCLIENT-2018) Improper input validation
vulnerability in commons-codec version used by latest HttpClient
[ https://issues.apache.org/jira/browse/HTTPCLIENT-2018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Oleg Kalnichevski resolved HTTPCLIENT-2018.
-------------------------------------------
Fix Version/s: 5.0 Beta7
Resolution: Fixed
Fix committed to master (5.0). Users of 4.5 will have to upgrade their Commons Codec dependency manually.
Oleg
> Improper input validation vulnerability in commons-codec version used by latest HttpClient
> ------------------------------------------------------------------------------------------
>
> Key: HTTPCLIENT-2018
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2018
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient (async), HttpClient (classic)
> Affects Versions: 4.5.10, 5.0 Beta6
> Reporter: Nagesh Arkalgud
> Priority: Major
> Labels: security
> Fix For: 5.0 Beta7
>
>
> *Explanation*
> The Apache {{commons-codec}} package contains an Improper Input Validation vulnerability. The {{decode()}} method in the {{Base32}}, {{Base64}}, and {{BCodec}} classes fails to reject malformed Base32 and Base64 encoded strings and consequently decodes them into arbitrary values. A remote attacker can leverage this vulnerability to potentially tunnel additional information via seemingly legitimate Base32 or Base64 encoded strings.
>
> *Root Cause*
> commons-codec-1.11.jar *<=* org/apache/commons/codec/binary/Base64.class : [1.5.RC1, 1.13)
> commons-codec-1.11.jar *<=* org/apache/commons/codec/net/BCodec.class : [1.5.RC1, 1.13)
> commons-codec-1.11.jar *<=* org/apache/commons/codec/binary/Base32.class : [1.5.RC1, 1.13)
> *Advisories*
> Project: https://issues.apache.org/jira/browse/CODEC-134
> *Solution*
> Please update commons-codec to 1.13 to fix this issue.
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