Description
An issue was discovered in Contiki through 3.0. An Out-of-Bounds Read vulnerability exists in the uIP TCP/IP Stack component when calculating the checksums for IP packets in upper_layer_chksum in net/ipv4/uip.c.
References (3)
Core 3
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://www.kb.cert.org/vuls/id/815128
Third Party Advisory, US Government Resource x_refsource_misc
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01
Patch, Third Party Advisory x_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-541018.pdf
Scores
CVSS v3
7.5
EPSS
0.0019
EPSS Percentile
40.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (6)
open-iscsi_project/open-iscsi
< 2.1.12
siemens/sentron_3va_com100_firmware
< 4.4.1
siemens/sentron_3va_com800_firmware
< 4.4.1
siemens/sentron_pac3200_firmware
< 2.4.7
siemens/sentron_pac4200_firmware
< 2.3.0
uip_project/uip
< 1.0
Published
Dec 11, 2020
Tracked Since
Feb 18, 2026