[asterisk-bugs] [JIRA] (ASTERISK-27640) SUBSCRIBE message with a large Accept value causes stack corruption

[Kevin Harwell (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-27640?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kevin Harwell updated ASTERISK-27640:
-------------------------------------

    Target Release Version/s: 13.19.2

> SUBSCRIBE message with a large Accept value causes stack corruption
> -------------------------------------------------------------------
>
>                 Key: ASTERISK-27640
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27640
>             Project: Asterisk
>          Issue Type: Security
>          Components: Channels/chan_pjsip
>    Affects Versions: 15.2.0
>            Reporter: Sandro Gauci
>            Assignee: Unassigned
>            Severity: Blocker
>              Labels: patch, security
>      Target Release: 13.19.2
>
>         Attachments: advisory.md, ASTERISK-27640.diff, extensions.conf, pjsip.conf
>
>
> A large SUBSCRIBE message with multiple malformed `Accept` headers will crash Asterisk due to stack corruption. Please see advisory.md for full details and script to reproduce the issue.
> Configuration files are attached too. 



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