Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nuttx | Nuttx | < 7.27 |
Related Weaknesses (CWE)
References
- https://bitbucket.org/nuttx/nuttx/downloads/nuttx-7_27-README.txtRelease NotesThird Party Advisory
- https://bitbucket.org/nuttx/nuttx/issues/119/denial-of-service-infinite-loop-whiExploitPatchThird Party Advisory
- https://bitbucket.org/nuttx/nuttx/downloads/nuttx-7_27-README.txtRelease NotesThird Party Advisory
- https://bitbucket.org/nuttx/nuttx/issues/119/denial-of-service-infinite-loop-whiExploitPatchThird Party Advisory
FAQ
What is CVE-2018-20578?
CVE-2018-20578 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...
How severe is CVE-2018-20578?
CVE-2018-20578 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-20578?
Check the references section above for vendor advisories and patch information. Affected products include: Nuttx Nuttx.