CVE-2023-49294
What it is
Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1, as well as certified-asterisk prior to 18.9-cert6, it is possible to read any arbitrary file even when the `live_dangerously` is not enabled. This allows arbitrary files to be read. Asterisk versions 18.20.1, 20.5.1, and 21.0.1, as well as certified-asterisk prior to 18.9-cert6, contain a fix for this issue.
At a glance
- Exploitability
- Can be exploited over the network with an admin-level account. High risk of data exposure.
- Exploit odds
- 45.3% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 45.3% in the next 30 days (EPSS).
- Severity: 4.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 45.3% · EPSS, next 30 days
- Weakness
- CWE-22 · Path traversal
- Record status
- Modified
Affected
- Digium Asterisk < 18.20.1
- Digium Asterisk < 20.5.1
- Digium Asterisk 21.0.0
- Sangoma Certified Asterisk 13.13.0
- Sangoma Certified Asterisk 16.8.0
- Sangoma Certified Asterisk 18.9
Attack profile CVSS 3.1 · 4.9
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Raw vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2023-49294.md and follow it. Check whether this project is affected by CVE-2023-49294. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/asterisk/asterisk/commit/424be345639d75c6cb7d0bd2da5f0f407dbd0bd5
- https://github.com/asterisk/asterisk/security/advisories/GHSA-8857-hfmw-vg8f
- https://github.com/asterisk/asterisk/commit/424be345639d75c6cb7d0bd2da5f0f407dbd0bd5
- https://github.com/asterisk/asterisk/security/advisories/GHSA-8857-hfmw-vg8f
References
- https://github.com/asterisk/asterisk/blob/master/main/manager.c#L3757
- https://github.com/asterisk/asterisk/commit/424be345639d75c6cb7d0bd2da5f0f407dbd0bd5
- https://github.com/asterisk/asterisk/security/advisories/GHSA-8857-hfmw-vg8f
- https://lists.debian.org/debian-lts-announce/2023/12/msg00019.html
- https://github.com/asterisk/asterisk/blob/master/main/manager.c#L3757
- https://github.com/asterisk/asterisk/commit/424be345639d75c6cb7d0bd2da5f0f407dbd0bd5
- https://github.com/asterisk/asterisk/security/advisories/GHSA-8857-hfmw-vg8f
- https://lists.debian.org/debian-lts-announce/2023/12/msg00019.html