[asterisk-bugs] [JIRA] (ASTERISK-29434) Asterisk reveals pjproject version in STUN packets

[Jeremy Lainé (JIRA)]

Jeremy Lainé created ASTERISK-29434:
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             Summary: Asterisk reveals pjproject version in STUN packets
                 Key: ASTERISK-29434
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29434
             Project: Asterisk
          Issue Type: Improvement
      Security Level: None
          Components: Resources/res_rtp_asterisk
    Affects Versions: 18.4.0, 16.18.0
            Reporter: Jeremy Lainé


Currently, Asterisk reports the pjproject version in any STUN packets it sends in the form of a SOFTWARE attribute, for example "pjnath-2.10.0". This may not be desirable in a production environment for security reasons.

In `pj_stun_config_init()`, the software name is initialized to PJNATH_STUN_SOFTWARE_NAME but this can be overriden, or even set to an empty string to not send any SOFTWARE attribute at all.

I'd be happy to provide a patch, but would appreciate some guidance: do we want to make this configurable, or would removing the SOFTWARE attribute be acceptable?






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