[asterisk-bugs] [JIRA] (ASTERISK-29987) Integer Overflow in Asterisk Scheduler

[Cabel McCoy (JIRA)]

Cabel McCoy created ASTERISK-29987:
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             Summary: Integer Overflow in Asterisk Scheduler
                 Key: ASTERISK-29987
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29987
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: General
    Affects Versions: 18.4.0
         Environment: x86_64 GNU/Linux
            Reporter: Cabel McCoy
            Severity: Major


main/sched.c millisecond integer overflow.

Found this issue when using SIP registration expiration > 2147473 seconds.
Causes the scheduler to fail or run at incorrect times.
The integer overflows during the conversion from seconds to milliseconds. For example "AST_SCHED_REPLACE_UNREF(peer->expire, sched, (expire + 10) * 1000" in chan_sip.c line 16797

Thanks,
-Cabel McCoy




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