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FreeBSD: VID-94C6951A-0D04-11EA-87CA-001999F8D30B (CVE-2019-18976): asterisk -- Re-invite with T.38 and malformed SDP causes crash

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FreeBSD: VID-94C6951A-0D04-11EA-87CA-001999F8D30B (CVE-2019-18976): asterisk -- Re-invite with T.38 and malformed SDP causes crash

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
11/07/2019
Created
11/26/2019
Added
11/22/2019
Modified
01/22/2020

Description

Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.

From VID-94C6951A-0D04-11EA-87CA-001999F8D30B:

The Asterisk project reports:

If Asterisk receives a re-invite initiating T.38 faxing

and has a port of 0 and no c line in the SDP, a crash

will occur.

Solution(s)

  • freebsd-upgrade-package-asterisk13

References

  • CVE-2019-18976

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