Change Log for Release asterisk-21.9.1

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Summary:

• Commits: 2
• Commit Authors: 1
• Issues Resolved: 0
• Security Advisories Resolved: 2
• GHSA-2grh-7mhv-fcfw: Using malformed From header can forge identity with ";" or NULL in name portion
• GHSA-c7p6-7mvq-8jq2: cli_permissions.conf: deny option does not work for disallowing shell commands

User Notes:

• asterisk.c: Add option to restrict shell access from remote consoles.

  A new asterisk.conf option 'disable_remote_console_shell' has been added that, when set, will prevent remote consoles from executing shell commands using the '!' prefix. Resolves: #GHSA-c7p6-7mvq-8jq2

Upgrade Notes:

Commit Authors:

• George Joseph: (2)

Issue and Commit Detail:

Closed Issues:

• !GHSA-2grh-7mhv-fcfw: Using malformed From header can forge identity with ";" or NULL in name portion
• !GHSA-c7p6-7mvq-8jq2: cli_permissions.conf: deny option does not work for disallowing shell commands

Commits By Author:

• George Joseph (2):

• res_pjsip_messaging.c: Mask control characters in received From display name
• asterisk.c: Add option to restrict shell access from remote consoles.

Commit List:

• asterisk.c: Add option to restrict shell access from remote consoles.
• res_pjsip_messaging.c: Mask control characters in received From display name

Commit Details:

asterisk.c: Add option to restrict shell access from remote consoles.

Author: George Joseph Date: 2025-05-19

UserNote: A new asterisk.conf option 'disable_remote_console_shell' has been added that, when set, will prevent remote consoles from executing shell commands using the '!' prefix.

Resolves: #GHSA-c7p6-7mvq-8jq2

res_pjsip_messaging.c: Mask control characters in received From display name

Author: George Joseph Date: 2025-03-24

Incoming SIP MESSAGEs will now have their From header's display name sanitized by replacing any characters < 32 (space) with a space.

Resolves: #GHSA-2grh-7mhv-fcfw