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Posted to dev@hc.apache.org by "Oleg Kalnichevski (JIRA)" <ji...@apache.org> on 2013/04/03 14:39:16 UTC
[jira] [Updated] (HTTPCLIENT-1319)
InetAddressUtils.isIPv6HexCompressedAddress does not detect excess (or
insufficient) groups
[ https://issues.apache.org/jira/browse/HTTPCLIENT-1319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Oleg Kalnichevski updated HTTPCLIENT-1319:
------------------------------------------
Fix Version/s: 4.3 Final
> InetAddressUtils.isIPv6HexCompressedAddress does not detect excess (or insufficient) groups
> -------------------------------------------------------------------------------------------
>
> Key: HTTPCLIENT-1319
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1319
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Affects Versions: 4.3 Alpha1
> Reporter: Sebb
> Priority: Minor
> Fix For: 4.3 Final
>
>
> The IPV6 compressed format regex allows 0 or more hex groups before or after the ::.
> This does not detect too many groups (there should be at most 7 surrounding groups in total).
> It also allows no groups, i.e "::" which is not permitted AFAIK.
> The first issue could be detected by counting the number of ':' characters in the string.
> There should be no more than 7 colons.
> The empty group could be detected by checking the length of the string - it must be at least 3 characters.
> That should probably be tested first as it is relatively cheap.
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