CVE-2020-17444
published 2020-12-11CVE-2020-17444: An issue was discovered in picoTCP 1.7.0. The routine for processing the next header field (and deducing whether the IPv6 extension headers are valid) doesn't…
PriorityP338high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
2.80%
84.7th percentile
An issue was discovered in picoTCP 1.7.0. The routine for processing the next header field (and deducing whether the IPv6 extension headers are valid) doesn't check whether the header extension length field would overflow. Therefore, if it wraps around to zero, iterating through the extension headers will not increment the current data pointer. This leads to an infinite loop and Denial-of-Service in pico_ipv6_check_headers_sequence() in pico_ipv6.c.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| altran | picotcp | <= 1.7.0 | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
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GHSA
GHSA-6927-m748-j36j: An issue was discovered in picoTCP 1
ghsa_unreviewed·2022-05-24
CVE-2020-17444 [HIGH] CWE-190 GHSA-6927-m748-j36j: An issue was discovered in picoTCP 1
An issue was discovered in picoTCP 1.7.0. The routine for processing the next header field (and deducing whether the IPv6 extension headers are valid) doesn't check whether the header extension length field would overflow. Therefore, if it wraps around to zero, iterating through the extension headers will not increment the current data pointer. This leads to an infinite loop and Denial-of-Service in pico_ipv6_check_headers_sequence() in pico_ipv6.c.
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## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.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
No detection rules found.
No public exploits indexed.
2020-12-11
Published