Search criteria
83 vulnerabilities found for asterisk by sangoma
FKIE_CVE-2025-1131
Vulnerability from fkie_nvd - Published: 2025-09-23 05:15 - Updated: 2025-11-03 18:15
Severity ?
Summary
A local privilege escalation vulnerability exists in the safe_asterisk script included with the Asterisk toolkit package. When Asterisk is started via this script (common in SysV init or FreePBX environments), it sources all .sh files located in /etc/asterisk/startup.d/ as root, without validating ownership or permissions.
Non-root users with legitimate write access to /etc/asterisk can exploit this behaviour by placing malicious scripts in the startup.d directory, which will then execute with root privileges upon service restart.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| sangoma | asterisk | * | |
| sangoma | asterisk | * | |
| sangoma | asterisk | * | |
| sangoma | asterisk | * | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 |
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FKIE_CVE-2025-57767
Vulnerability from fkie_nvd - Published: 2025-08-28 16:15 - Updated: 2025-10-20 17:51
Severity ?
Summary
Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.15.2, 21.10.2, and 22.5.2, if a SIP request is received with an Authorization header that contains a realm that wasn't in a previous 401 response's WWW-Authenticate header, or an Authorization header with an incorrect realm was received without a previous 401 response being sent, the get_authorization_header() function in res_pjsip_authenticator_digest will return a NULL. This wasn't being checked before attempting to get the digest algorithm from the header which causes a SEGV. This issue has been patched in versions 20.15.2, 21.10.2, and 22.5.2. There are no workarounds.
References
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FKIE_CVE-2025-54995
Vulnerability from fkie_nvd - Published: 2025-08-28 15:16 - Updated: 2025-11-03 18:17
Severity ?
Summary
Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 18.26.4 and 18.9-cert17, RTP UDP ports and internal resources can leak due to a lack of session termination. This could result in leaks and resource exhaustion. This issue has been patched in versions 18.26.4 and 18.9-cert17.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| sangoma | asterisk | * | |
| sangoma | certified_asterisk | * | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 |
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FKIE_CVE-2025-49832
Vulnerability from fkie_nvd - Published: 2025-08-01 18:15 - Updated: 2025-08-25 17:42
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
Asterisk is an open source private branch exchange and telephony toolkit. In versions up to and including 18.26.2, between 20.00.0 and 20.15.0, 20.7-cert6, 21.00.0, 22.00.0 through 22.5.0, there is a remote DoS and possible RCE condition in `asterisk/res/res_stir_shaken /verification.c` that can be exploited when an attacker can set an arbitrary Identity header, or STIR/SHAKEN is enabled, with verification set in the SIP profile associated with the endpoint to be attacked. This is fixed in versions 18.26.3, 20.7-cert6, 20.15.1, 21.10.1 and 22.5.1.
References
| URL | Tags | ||
|---|---|---|---|
| security-advisories@github.com | https://github.com/asterisk/asterisk/security/advisories/GHSA-mrq5-74j5-f5cr | Exploit, Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| sangoma | asterisk | * | |
| sangoma | asterisk | * | |
| sangoma | asterisk | * | |
| sangoma | asterisk | * | |
| sangoma | certified_asterisk | * | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 |
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FKIE_CVE-2025-47780
Vulnerability from fkie_nvd - Published: 2025-05-22 17:15 - Updated: 2025-11-03 20:19
Severity ?
Summary
Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk, trying to disallow shell commands to be run via the Asterisk command line interface (CLI) by configuring `cli_permissions.conf` (e.g. with the config line `deny=!*`) does not work which could lead to a security risk. If an administrator running an Asterisk instance relies on the `cli_permissions.conf` file to work and expects it to deny all attempts to execute shell commands, then this could lead to a security vulnerability. Versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk fix the issue.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| sangoma | asterisk | * | |
| sangoma | asterisk | * | |
| sangoma | asterisk | * | |
| sangoma | asterisk | * | |
| sangoma | certified_asterisk | * | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 |
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}
],
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FKIE_CVE-2025-47779
Vulnerability from fkie_nvd - Published: 2025-05-22 17:15 - Updated: 2025-11-03 20:19
Severity ?
7.7 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Summary
Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk, SIP requests of the type MESSAGE (RFC 3428) authentication do not get proper alignment. An authenticated attacker can spoof any user identity to send spam messages to the user with their authorization token. Abuse of this security issue allows authenticated attackers to send fake chat messages can be spoofed to appear to come from trusted entities. Even administrators who follow Security best practices and Security Considerations can be impacted. Therefore, abuse can lead to spam and enable social engineering, phishing and similar attacks. Versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk fix the issue.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| sangoma | asterisk | * | |
| sangoma | asterisk | * | |
| sangoma | asterisk | * | |
| sangoma | asterisk | * | |
| sangoma | certified_asterisk | * | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 |
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}
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FKIE_CVE-2024-57520
Vulnerability from fkie_nvd - Published: 2025-02-05 22:15 - Updated: 2025-11-06 13:15
Severity ?
Summary
Insecure Permissions vulnerability in asterisk v22 allows a remote attacker to execute arbitrary code via the action_createconfig function. NOTE: this is disputed by the Supplier because the impact is limited to creating empty files outside of the Asterisk product directory (aka directory traversal) and the attack can only be performed by a privileged user who has the ability to manage the configuration.
References
{
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"value": "Insecure Permissions vulnerability in asterisk v22 allows a remote attacker to execute arbitrary code via the action_createconfig function. NOTE: this is disputed by the Supplier because the impact is limited to creating empty files outside of the Asterisk product directory (aka directory traversal) and the attack can only be performed by a privileged user who has the ability to manage the configuration."
},
{
"lang": "es",
"value": "La vulnerabilidad de permisos inseguros en Asterisk v22 permite que un atacante remoto ejecute c\u00f3digo arbitrario a trav\u00e9s de la funci\u00f3n action_createconfig"
}
],
"id": "CVE-2024-57520",
"lastModified": "2025-11-06T13:15:35.177",
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FKIE_CVE-2024-53566
Vulnerability from fkie_nvd - Published: 2024-12-02 18:15 - Updated: 2025-08-25 18:31
Severity ?
Summary
An issue in the action_listcategories() function of Sangoma Asterisk v22/22.0.0/22.0.0-rc1/22.0.0-rc2/22.0.0-pre1 allows attackers to execute a path traversal.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://gist.github.com/hyp164D1/e7c0f44ffb38c00320aa1a6d98bee616 | Third Party Advisory | |
| cve@mitre.org | https://github.com/asterisk/asterisk/blob/22/main/manager.c#L2556 | Product | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.debian.org/debian-lts-announce/2025/02/msg00003.html | Mailing List, Third Party Advisory |
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FKIE_CVE-2024-42491
Vulnerability from fkie_nvd - Published: 2024-09-05 18:15 - Updated: 2025-11-03 22:18
Severity ?
Summary
Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.24.3, 20.9.3, and 21.4.3 of Asterisk and versions 18.9-cert12 and 20.7-cert2 of certified-asterisk, if Asterisk attempts to send a SIP request to a URI whose host portion starts with `.1` or `[.1]`, and res_resolver_unbound is loaded, Asterisk will crash with a SEGV. To receive a patch, users should upgrade to one of the following versions: 18.24.3, 20.9.3, 21.4.3, certified-18.9-cert12, certified-20.7-cert2. Two workarounds are available. Disable res_resolver_unbound by setting `noload = res_resolver_unbound.so` in modules.conf, or set `rewrite_contact = yes` on all PJSIP endpoints. NOTE: This may not be appropriate for all Asterisk configurations.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| sangoma | asterisk | * | |
| sangoma | asterisk | * | |
| sangoma | asterisk | * | |
| sangoma | certified_asterisk | * | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 18.9 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 | |
| sangoma | certified_asterisk | 20.7 |
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FKIE_CVE-2024-35190
Vulnerability from fkie_nvd - Published: 2024-05-17 17:15 - Updated: 2025-08-26 16:19
Severity ?
5.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
Asterisk is an open source private branch exchange and telephony toolkit. After upgrade to 18.23.0, ALL unauthorized SIP requests are identified as PJSIP Endpoint of local asterisk server. This vulnerability is fixed in 18.23.1, 20.8.1, and 21.3.1.
References
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CVE-2025-1131 (GCVE-0-2025-1131)
Vulnerability from cvelistv5 – Published: 2025-09-23 04:31 – Updated: 2025-11-03 17:31
VLAI?
Title
Asterisk Unsafe Shell Sourcing in safe_asterisk Leads to Local Privilege Escalation
Summary
A local privilege escalation vulnerability exists in the safe_asterisk script included with the Asterisk toolkit package. When Asterisk is started via this script (common in SysV init or FreePBX environments), it sources all .sh files located in /etc/asterisk/startup.d/ as root, without validating ownership or permissions.
Non-root users with legitimate write access to /etc/asterisk can exploit this behaviour by placing malicious scripts in the startup.d directory, which will then execute with root privileges upon service restart.
Severity ?
CWE
- CWE-427 - Uncontrolled Search Path Element
Assigner
References
Impacted products
Credits
Abdul Mhanni
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CVE-2025-57767 (GCVE-0-2025-57767)
Vulnerability from cvelistv5 – Published: 2025-08-28 15:33 – Updated: 2025-08-28 17:12
VLAI?
Title
Asterisk can crash from a specifically malformed Authorization header in an incoming SIP request
Summary
Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.15.2, 21.10.2, and 22.5.2, if a SIP request is received with an Authorization header that contains a realm that wasn't in a previous 401 response's WWW-Authenticate header, or an Authorization header with an incorrect realm was received without a previous 401 response being sent, the get_authorization_header() function in res_pjsip_authenticator_digest will return a NULL. This wasn't being checked before attempting to get the digest algorithm from the header which causes a SEGV. This issue has been patched in versions 20.15.2, 21.10.2, and 22.5.2. There are no workarounds.
Severity ?
7.5 (High)
CWE
- CWE-253 - Incorrect Check of Function Return Value
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
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CVE-2025-54995 (GCVE-0-2025-54995)
Vulnerability from cvelistv5 – Published: 2025-08-28 15:08 – Updated: 2025-11-03 17:45
VLAI?
Title
Asterisk remotely exploitable leak of RTP UDP ports and internal resources
Summary
Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 18.26.4 and 18.9-cert17, RTP UDP ports and internal resources can leak due to a lack of session termination. This could result in leaks and resource exhaustion. This issue has been patched in versions 18.26.4 and 18.9-cert17.
Severity ?
6.5 (Medium)
CWE
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2025-49832 (GCVE-0-2025-49832)
Vulnerability from cvelistv5 – Published: 2025-08-01 17:57 – Updated: 2025-08-01 18:29
VLAI?
Title
Asterisk is Vulnerable to Remote DoS and possible RCE Attacks During Memory Allocation
Summary
Asterisk is an open source private branch exchange and telephony toolkit. In versions up to and including 18.26.2, between 20.00.0 and 20.15.0, 20.7-cert6, 21.00.0, 22.00.0 through 22.5.0, there is a remote DoS and possible RCE condition in `asterisk/res/res_stir_shaken /verification.c` that can be exploited when an attacker can set an arbitrary Identity header, or STIR/SHAKEN is enabled, with verification set in the SIP profile associated with the endpoint to be attacked. This is fixed in versions 18.26.3, 20.7-cert6, 20.15.1, 21.10.1 and 22.5.1.
Severity ?
6.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2025-47780 (GCVE-0-2025-47780)
Vulnerability from cvelistv5 – Published: 2025-05-22 16:56 – Updated: 2025-11-03 20:04
VLAI?
Title
cli_permissions.conf: deny option does not work for disallowing shell commands
Summary
Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk, trying to disallow shell commands to be run via the Asterisk command line interface (CLI) by configuring `cli_permissions.conf` (e.g. with the config line `deny=!*`) does not work which could lead to a security risk. If an administrator running an Asterisk instance relies on the `cli_permissions.conf` file to work and expects it to deny all attempts to execute shell commands, then this could lead to a security vulnerability. Versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk fix the issue.
Severity ?
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2025-47779 (GCVE-0-2025-47779)
Vulnerability from cvelistv5 – Published: 2025-05-22 16:54 – Updated: 2025-11-03 20:04
VLAI?
Title
Using malformed From header can forge identity with ";" or NULL in name portion
Summary
Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk, SIP requests of the type MESSAGE (RFC 3428) authentication do not get proper alignment. An authenticated attacker can spoof any user identity to send spam messages to the user with their authorization token. Abuse of this security issue allows authenticated attackers to send fake chat messages can be spoofed to appear to come from trusted entities. Even administrators who follow Security best practices and Security Considerations can be impacted. Therefore, abuse can lead to spam and enable social engineering, phishing and similar attacks. Versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk fix the issue.
Severity ?
7.7 (High)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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CVE-2024-57520 (GCVE-0-2024-57520)
Vulnerability from cvelistv5 – Published: 2025-02-05 00:00 – Updated: 2025-11-06 13:01 Disputed
VLAI?
Summary
Insecure Permissions vulnerability in asterisk v22 allows a remote attacker to execute arbitrary code via the action_createconfig function. NOTE: this is disputed by the Supplier because the impact is limited to creating empty files outside of the Asterisk product directory (aka directory traversal) and the attack can only be performed by a privileged user who has the ability to manage the configuration.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
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CVE-2024-53566 (GCVE-0-2024-53566)
Vulnerability from cvelistv5 – Published: 2024-12-02 00:00 – Updated: 2025-02-06 01:29
VLAI?
Summary
An issue in the action_listcategories() function of Sangoma Asterisk v22/22.0.0/22.0.0-rc1/22.0.0-rc2/22.0.0-pre1 allows attackers to execute a path traversal.
Severity ?
5.5 (Medium)
CWE
- n/a
Assigner
References
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CVE-2024-49215 (GCVE-0-2024-49215)
Vulnerability from cvelistv5 – Published: 2024-10-21 00:00 – Updated: 2024-12-09 22:36
VLAI?
DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2023-49294. Reason: This candidate is a reservation duplicate of CVE-2023-49294. Notes: All CVE users should reference CVE-2023-49294 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.
Show details on NVD website{
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CVE-2024-42491 (GCVE-0-2024-42491)
Vulnerability from cvelistv5 – Published: 2024-09-05 17:17 – Updated: 2025-11-03 22:04
VLAI?
Title
A malformed Contact or Record-Route URI in an incoming SIP request can cause Asterisk to crash when res_resolver_unbound is used
Summary
Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.24.3, 20.9.3, and 21.4.3 of Asterisk and versions 18.9-cert12 and 20.7-cert2 of certified-asterisk, if Asterisk attempts to send a SIP request to a URI whose host portion starts with `.1` or `[.1]`, and res_resolver_unbound is loaded, Asterisk will crash with a SEGV. To receive a patch, users should upgrade to one of the following versions: 18.24.3, 20.9.3, 21.4.3, certified-18.9-cert12, certified-20.7-cert2. Two workarounds are available. Disable res_resolver_unbound by setting `noload = res_resolver_unbound.so` in modules.conf, or set `rewrite_contact = yes` on all PJSIP endpoints. NOTE: This may not be appropriate for all Asterisk configurations.
Severity ?
5.7 (Medium)
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
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CVE-2025-1131 (GCVE-0-2025-1131)
Vulnerability from nvd – Published: 2025-09-23 04:31 – Updated: 2025-11-03 17:31
VLAI?
Title
Asterisk Unsafe Shell Sourcing in safe_asterisk Leads to Local Privilege Escalation
Summary
A local privilege escalation vulnerability exists in the safe_asterisk script included with the Asterisk toolkit package. When Asterisk is started via this script (common in SysV init or FreePBX environments), it sources all .sh files located in /etc/asterisk/startup.d/ as root, without validating ownership or permissions.
Non-root users with legitimate write access to /etc/asterisk can exploit this behaviour by placing malicious scripts in the startup.d directory, which will then execute with root privileges upon service restart.
Severity ?
CWE
- CWE-427 - Uncontrolled Search Path Element
Assigner
References
Impacted products
Credits
Abdul Mhanni
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CVE-2025-57767 (GCVE-0-2025-57767)
Vulnerability from nvd – Published: 2025-08-28 15:33 – Updated: 2025-08-28 17:12
VLAI?
Title
Asterisk can crash from a specifically malformed Authorization header in an incoming SIP request
Summary
Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.15.2, 21.10.2, and 22.5.2, if a SIP request is received with an Authorization header that contains a realm that wasn't in a previous 401 response's WWW-Authenticate header, or an Authorization header with an incorrect realm was received without a previous 401 response being sent, the get_authorization_header() function in res_pjsip_authenticator_digest will return a NULL. This wasn't being checked before attempting to get the digest algorithm from the header which causes a SEGV. This issue has been patched in versions 20.15.2, 21.10.2, and 22.5.2. There are no workarounds.
Severity ?
7.5 (High)
CWE
- CWE-253 - Incorrect Check of Function Return Value
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
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CVE-2025-54995 (GCVE-0-2025-54995)
Vulnerability from nvd – Published: 2025-08-28 15:08 – Updated: 2025-11-03 17:45
VLAI?
Title
Asterisk remotely exploitable leak of RTP UDP ports and internal resources
Summary
Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 18.26.4 and 18.9-cert17, RTP UDP ports and internal resources can leak due to a lack of session termination. This could result in leaks and resource exhaustion. This issue has been patched in versions 18.26.4 and 18.9-cert17.
Severity ?
6.5 (Medium)
CWE
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2025-49832 (GCVE-0-2025-49832)
Vulnerability from nvd – Published: 2025-08-01 17:57 – Updated: 2025-08-01 18:29
VLAI?
Title
Asterisk is Vulnerable to Remote DoS and possible RCE Attacks During Memory Allocation
Summary
Asterisk is an open source private branch exchange and telephony toolkit. In versions up to and including 18.26.2, between 20.00.0 and 20.15.0, 20.7-cert6, 21.00.0, 22.00.0 through 22.5.0, there is a remote DoS and possible RCE condition in `asterisk/res/res_stir_shaken /verification.c` that can be exploited when an attacker can set an arbitrary Identity header, or STIR/SHAKEN is enabled, with verification set in the SIP profile associated with the endpoint to be attacked. This is fixed in versions 18.26.3, 20.7-cert6, 20.15.1, 21.10.1 and 22.5.1.
Severity ?
6.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2025-47780 (GCVE-0-2025-47780)
Vulnerability from nvd – Published: 2025-05-22 16:56 – Updated: 2025-11-03 20:04
VLAI?
Title
cli_permissions.conf: deny option does not work for disallowing shell commands
Summary
Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk, trying to disallow shell commands to be run via the Asterisk command line interface (CLI) by configuring `cli_permissions.conf` (e.g. with the config line `deny=!*`) does not work which could lead to a security risk. If an administrator running an Asterisk instance relies on the `cli_permissions.conf` file to work and expects it to deny all attempts to execute shell commands, then this could lead to a security vulnerability. Versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk fix the issue.
Severity ?
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2025-47779 (GCVE-0-2025-47779)
Vulnerability from nvd – Published: 2025-05-22 16:54 – Updated: 2025-11-03 20:04
VLAI?
Title
Using malformed From header can forge identity with ";" or NULL in name portion
Summary
Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk, SIP requests of the type MESSAGE (RFC 3428) authentication do not get proper alignment. An authenticated attacker can spoof any user identity to send spam messages to the user with their authorization token. Abuse of this security issue allows authenticated attackers to send fake chat messages can be spoofed to appear to come from trusted entities. Even administrators who follow Security best practices and Security Considerations can be impacted. Therefore, abuse can lead to spam and enable social engineering, phishing and similar attacks. Versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk fix the issue.
Severity ?
7.7 (High)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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CVE-2024-57520 (GCVE-0-2024-57520)
Vulnerability from nvd – Published: 2025-02-05 00:00 – Updated: 2025-11-06 13:01 Disputed
VLAI?
Summary
Insecure Permissions vulnerability in asterisk v22 allows a remote attacker to execute arbitrary code via the action_createconfig function. NOTE: this is disputed by the Supplier because the impact is limited to creating empty files outside of the Asterisk product directory (aka directory traversal) and the attack can only be performed by a privileged user who has the ability to manage the configuration.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
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CVE-2024-53566 (GCVE-0-2024-53566)
Vulnerability from nvd – Published: 2024-12-02 00:00 – Updated: 2025-02-06 01:29
VLAI?
Summary
An issue in the action_listcategories() function of Sangoma Asterisk v22/22.0.0/22.0.0-rc1/22.0.0-rc2/22.0.0-pre1 allows attackers to execute a path traversal.
Severity ?
5.5 (Medium)
CWE
- n/a
Assigner
References
{
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{
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{
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"title": "CISA ADP Vulnrichment"
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{
"url": "https://lists.debian.org/debian-lts-announce/2025/02/msg00003.html"
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"vendor": "n/a",
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"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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{
"url": "https://github.com/asterisk/asterisk/blob/22/main/manager.c#L2556"
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{
"url": "https://gist.github.com/hyp164D1/e7c0f44ffb38c00320aa1a6d98bee616"
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CVE-2024-49215 (GCVE-0-2024-49215)
Vulnerability from nvd – Published: 2024-10-21 00:00 – Updated: 2024-12-09 22:36
VLAI?
DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2023-49294. Reason: This candidate is a reservation duplicate of CVE-2023-49294. Notes: All CVE users should reference CVE-2023-49294 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.
Show details on NVD website{
"containers": {
"cna": {
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"dateUpdated": "2024-12-09T22:36:11.613174Z",
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}
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}
},
"cveMetadata": {
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"datePublished": "2024-10-21T00:00:00",
"dateRejected": "2024-12-09T00:00:00",
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CVE-2024-42491 (GCVE-0-2024-42491)
Vulnerability from nvd – Published: 2024-09-05 17:17 – Updated: 2025-11-03 22:04
VLAI?
Title
A malformed Contact or Record-Route URI in an incoming SIP request can cause Asterisk to crash when res_resolver_unbound is used
Summary
Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.24.3, 20.9.3, and 21.4.3 of Asterisk and versions 18.9-cert12 and 20.7-cert2 of certified-asterisk, if Asterisk attempts to send a SIP request to a URI whose host portion starts with `.1` or `[.1]`, and res_resolver_unbound is loaded, Asterisk will crash with a SEGV. To receive a patch, users should upgrade to one of the following versions: 18.24.3, 20.9.3, 21.4.3, certified-18.9-cert12, certified-20.7-cert2. Two workarounds are available. Disable res_resolver_unbound by setting `noload = res_resolver_unbound.so` in modules.conf, or set `rewrite_contact = yes` on all PJSIP endpoints. NOTE: This may not be appropriate for all Asterisk configurations.
Severity ?
5.7 (Medium)
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
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"vendor": "asterisk",
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{
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{
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}
]
}
],
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}
],
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"attackVector": "NETWORK",
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}
}
],
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"description": "CWE-252: Unchecked Return Value",
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]
},
{
"descriptions": [
{
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"description": "CWE-476: NULL Pointer Dereference",
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}
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"providerMetadata": {
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"x_refsource_CONFIRM"
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],
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"discovery": "UNKNOWN"
},
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}
},
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