CVE-2023-49294

HIGH EPSS 98.6%
Published Dec 14, 20232y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Dec 14, 2023 2y ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
98.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-22 Path Traversal Resource Mgmt

Affected Products 31

VendorProductVersionRange
digiumasterisk* <18.20.1
digiumasterisk*≥19.0.0  –  <20.5.1
digiumasterisk21.0.0any
sangomacertified_asterisk13.13.0any
sangomacertified_asterisk13.13.0any
sangomacertified_asterisk13.13.0any
sangomacertified_asterisk13.13.0any
sangomacertified_asterisk13.13.0any
sangomacertified_asterisk13.13.0any
sangomacertified_asterisk13.13.0any
sangomacertified_asterisk13.13.0any
sangomacertified_asterisk13.13.0any
sangomacertified_asterisk13.13.0any
sangomacertified_asterisk16.8.0any
sangomacertified_asterisk16.8.0any
sangomacertified_asterisk16.8.0any
sangomacertified_asterisk16.8.0any
sangomacertified_asterisk16.8.0any
sangomacertified_asterisk16.8.0any
sangomacertified_asterisk16.8.0any
sangomacertified_asterisk16.8.0any
sangomacertified_asterisk16.8.0any
sangomacertified_asterisk16.8.0any
sangomacertified_asterisk16.8.0any
sangomacertified_asterisk16.8.0any
sangomacertified_asterisk16.8.0any
sangomacertified_asterisk18.9any
sangomacertified_asterisk18.9any
sangomacertified_asterisk18.9any
sangomacertified_asterisk18.9any
sangomacertified_asterisk18.9any

References 4

  • github.com https://github.com/asterisk/asterisk/blob/master/main/manager.c#L3757
    Product
  • github.com https://github.com/asterisk/asterisk/commit/424be345639d75c6cb7d0bd2da5f0f407dbd0bd5
    Patch
  • github.com https://github.com/asterisk/asterisk/security/advisories/GHSA-8857-hfmw-vg8f
    Vendor Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2023/12/msg00019.html

Remediation

  • github.com https://github.com/asterisk/asterisk/commit/424be345639d75c6cb7d0bd2da5f0f407dbd0bd5
    Patch