CVEvulnerability
CVE-2018-16221
8.0 HIGH
Official page ↗
- Status
- Modified
- Published
- 2019-05-29
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 8.0 HIGH — CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.7 HIGH — AV:A/AC:L/Au:S/C:C/I:C/A:C
- Weaknesses
- CWE-22
Description
The diagnostics web interface in the Yeahlink Ultra-elegant IP Phone SIP-T41P (firmware 66.83.0.35) does not validate (escape) the path information (path traversal), which allows an authenticated remote attacker to get access to privileged information (e.g., /etc/passwd) via path traversal (relative path information in the file parameter of the corresponding POST request).
Affected configurations
• yealink ultra-elegant ip phone sip-t41p firmware 66.83.0.35
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://www.sit.fraunhofer.de/de/securitytestlab/ Third Party Advisory
- https://www.sit.fraunhofer.de/fileadmin/dokumente/CVE/Advisory_Yealink_Ultra-elegantIPPhone_SIPT41P.pdf?_=1549375271 Third Party Advisory
- https://www.sit.fraunhofer.de/de/securitytestlab/ Third Party Advisory
- https://www.sit.fraunhofer.de/fileadmin/dokumente/CVE/Advisory_Yealink_Ultra-elegantIPPhone_SIPT41P.pdf?_=1549375271 Third Party Advisory