CVEvulnerability
CVE-2018-20578
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2018-12-28
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-835
Description
An issue was discovered in NuttX before 7.27. The function netlib_parsehttpurl() in apps/netutils/netlib/netlib_parsehttpurl.c mishandles URLs longer than hostlen bytes (in the webclient, this is set by default to 40), leading to an Infinite Loop. The attack vector is the Location header of an HTTP 3xx response.
Affected configurations
• nuttx nuttx (< 7.27)
Related
Weakness · CWE (1)
- CWE-835 Loop with Unreachable Exit Condition weakness
References
- https://bitbucket.org/nuttx/nuttx/downloads/nuttx-7_27-README.txt Release Notes, Third Party Advisory
- https://bitbucket.org/nuttx/nuttx/issues/119/denial-of-service-infinite-loop-while Exploit, Patch, Third Party Advisory
- https://bitbucket.org/nuttx/nuttx/downloads/nuttx-7_27-README.txt Release Notes, Third Party Advisory
- https://bitbucket.org/nuttx/nuttx/issues/119/denial-of-service-infinite-loop-while Exploit, Patch, Third Party Advisory