CVE-2020-25110
published 2020-12-11CVE-2020-25110: An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5.1. The length byte of a domain name in a DNS query/response is not checked, and is…
PriorityP266critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
52.26%
98.8th percentile
An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5.1. The length byte of a domain name in a DNS query/response is not checked, and is used for internal memory operations. This may lead to successful Denial-of-Service, and possibly Remote Code Execution.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| ethernut | nut_os | <= 5.1 | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
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CISA ICS
Multiple Embedded TCP/IP Stacks
cisa_ics·2020-12-09
Multiple Embedded TCP/IP Stacks
## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.
ICS Advisory
##
Multiple Embedded TCP/IP Stacks
Last RevisedDecember 09, 2020
Alert CodeICSA-20-343-01
## 1. EXECUTIVE SUMMARY
- CVSS v3 9.8
- ATTENTION: Exploitable remotely/low skill level to exploit
- Vendor: Multiple (open source)
- Equipment: uIP-Contiki-OS, uIP-Contiki-NG, uIP, open-iscsi, picoTCP-NG, picoTCP, FNET, Nut/Net
- Vulnerabilities: Infinite Loop, Integer Wraparound, Out-of-bounds Read, Integer Overflow, Out-of-bounds Write, Improper Input Validation, Improper Null Termination
CISA is aware of a public report, known as “AMNESIA:33” that details vulnerabilities found in mult
GHSA
GHSA-45rr-9gf8-j69p: An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5
ghsa_unreviewed·2022-05-24
CVE-2020-25110 [CRITICAL] CWE-125 GHSA-45rr-9gf8-j69p: An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5
An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5.1. The length byte of a domain name in a DNS query/response is not checked, and is used for internal memory operations. This may lead to successful Denial-of-Service, and possibly Remote Code Execution.
No detection rules found.
No public exploits indexed.
2020-12-11
Published