## Change Log for Release asterisk-21.9.1

### Links:

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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