CVE-2020-17437

An issue was discovered in uIP 1.0, as used in Contiki 3.0 and other products. When the Urgent flag is set in a TCP packet, and the stack is configured to ignore the urgent data, the stack attempts to use the value of the Urgent pointer bytes to separate the Urgent data from the normal data, by calculating the offset at which the normal data should be present in the global buffer. However, the length of this offset is not checked; therefore, for large values of the Urgent pointer bytes, the data pointer can point to memory that is way beyond the data buffer in uip_process in uip.c.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.2 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 49%
Affected Products (NVD)
VendorProductVersion
uip_projectuip
𝑥
≤ 1.0
open-iscsi_projectopen-iscsi
𝑥
≤ 2.1.7
siemenssentron_3va_com100_firmware
𝑥
< 4.4.1
siemenssentron_3va_com800_firmware
𝑥
< 4.4.1
siemenssentron_3va_dsp800_firmware
𝑥
< 4.0
siemenssentron_pac2200_clp_firmware
-
siemenssentron_pac2200_firmware
𝑥
< 3.2.2
siemenssentron_pac3200_firmware
𝑥
< 2.4.7
siemenssentron_pac3200t_firmware
𝑥
< 3.2.2
siemenssentron_pac3220_firmware
𝑥
< 3.2.0
siemenssentron_pac4200_firmware
𝑥
< 2.3.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
open-iscsi
bookworm
2.1.8-1
fixed
bullseye
2.1.3-5
fixed
buster
no-dsa
sid
2.1.10-1
fixed
stretch
no-dsa
trixie
2.1.10-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
open-iscsi
bionic
Fixed 2.0.874-5ubuntu2.11+esm1
released
focal
Fixed 2.0.874-7.1ubuntu6.4
released
groovy
ignored
hirsute
Fixed 2.1.3-1ubuntu1
released
impish
Fixed 2.1.3-1ubuntu1
released
jammy
Fixed 2.1.3-1ubuntu1
released
kinetic
Fixed 2.1.3-1ubuntu1
released
lunar
Fixed 2.1.3-1ubuntu1
released
trusty
not-affected
xenial
Fixed 2.0.873+git0.3b4b4500-14ubuntu3.7+esm1
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
iscsiuio
suse enterprise desktop 15 SP2
0.7.8.6-22.14.1
fixed
suse enterprise desktop 15 SP3
0.7.8.6-30.1
fixed
suse enterprise desktop 15 SP4
0.7.8.6-150400.37.6
fixed
suse enterprise desktop 15 SP5
0.7.8.6-150500.44.1
fixed
suse enterprise desktop 15 SP6
0.7.8.8-150600.49.8
fixed
suse enterprise desktop 15 SP7
0.7.8.8-150700.55.1
fixed
suse enterprise sap 12 SP5
0.7.8.2-12.27.2
fixed
suse enterprise sap 15
0.7.8.2-13.42.1
fixed
suse enterprise sap 15 SP1
0.7.8.2-13.42.1
fixed
suse enterprise sap 15 SP2
0.7.8.6-22.14.1
fixed
suse enterprise sap 15 SP3
0.7.8.6-30.1
fixed
suse enterprise sap 15 SP4
0.7.8.6-150400.37.6
fixed
suse enterprise sap 15 SP5
0.7.8.6-150500.44.1
fixed
suse enterprise sap 15 SP6
0.7.8.8-150600.49.8
fixed
suse enterprise sap 15 SP7
0.7.8.8-150700.55.1
fixed
suse enterprise server 12 SP3
0.7.8.2-53.34.1
fixed
suse enterprise server 12 SP4
0.7.8.2-12.27.2
fixed
suse enterprise server 12 SP5
0.7.8.2-12.27.2
fixed
suse enterprise server 15
0.7.8.2-13.42.1
fixed
suse enterprise server 15 SP1
0.7.8.2-13.42.1
fixed
suse enterprise server 15 SP2
0.7.8.6-22.14.1
fixed
suse enterprise server 15 SP3
0.7.8.6-30.1
fixed
suse enterprise server 15 SP4
0.7.8.6-150400.37.6
fixed
suse enterprise server 15 SP5
0.7.8.6-150500.44.1
fixed
suse enterprise server 15 SP6
0.7.8.8-150600.49.8
fixed
suse enterprise server 15 SP7
0.7.8.8-150700.55.1
fixed
libopeniscsiusr0
suse enterprise desktop 15 SP5
0.2.0-150500.44.1
fixed
suse enterprise desktop 15 SP6
0.2.0-150600.49.8
fixed
suse enterprise desktop 15 SP7
0.2.0-150700.55.1
fixed
suse enterprise sap 15 SP5
0.2.0-150500.44.1
fixed
suse enterprise sap 15 SP6
0.2.0-150600.49.8
fixed
suse enterprise sap 15 SP7
0.2.0-150700.55.1
fixed
suse enterprise server 15 SP5
0.2.0-150500.44.1
fixed
suse enterprise server 15 SP6
0.2.0-150600.49.8
fixed
suse enterprise server 15 SP7
0.2.0-150700.55.1
fixed
libopeniscsiusr0_2_0
suse enterprise desktop 15 SP2
2.1.4-22.14.1
fixed
suse enterprise desktop 15 SP3
2.1.4-30.1
fixed
suse enterprise desktop 15 SP4
2.1.6-150400.37.6
fixed
suse enterprise sap 12 SP5
2.0.876-12.27.2
fixed
suse enterprise sap 15
2.0.876-13.42.1
fixed
suse enterprise sap 15 SP1
2.0.876-13.42.1
fixed
suse enterprise sap 15 SP2
2.1.4-22.14.1
fixed
suse enterprise sap 15 SP3
2.1.4-30.1
fixed
suse enterprise sap 15 SP4
2.1.6-150400.37.6
fixed
suse enterprise server 12 SP3
2.0.876-53.34.1
fixed
suse enterprise server 12 SP4
2.0.876-12.27.2
fixed
suse enterprise server 12 SP5
2.0.876-12.27.2
fixed
suse enterprise server 15
2.0.876-13.42.1
fixed
suse enterprise server 15 SP1
2.0.876-13.42.1
fixed
suse enterprise server 15 SP2
2.1.4-22.14.1
fixed
suse enterprise server 15 SP3
2.1.4-30.1
fixed
suse enterprise server 15 SP4
2.1.6-150400.37.6
fixed
open-iscsi
suse enterprise desktop 15 SP2
2.1.4-22.14.1
fixed
suse enterprise desktop 15 SP3
2.1.4-30.1
fixed
suse enterprise desktop 15 SP4
2.1.6-150400.37.6
fixed
suse enterprise desktop 15 SP5
2.1.8-150500.44.1
fixed
suse enterprise desktop 15 SP6
2.1.9-150600.49.8
fixed
suse enterprise desktop 15 SP7
2.1.11-150700.55.1
fixed
suse enterprise sap 12 SP5
2.0.876-12.27.2
fixed
suse enterprise sap 15
2.0.876-13.42.1
fixed
suse enterprise sap 15 SP1
2.0.876-13.42.1
fixed
suse enterprise sap 15 SP2
2.1.4-22.14.1
fixed
suse enterprise sap 15 SP3
2.1.4-30.1
fixed
suse enterprise sap 15 SP4
2.1.6-150400.37.6
fixed
suse enterprise sap 15 SP5
2.1.8-150500.44.1
fixed
suse enterprise sap 15 SP6
2.1.9-150600.49.8
fixed
suse enterprise sap 15 SP7
2.1.11-150700.55.1
fixed
suse enterprise server 12 SP3
2.0.876-53.34.1
fixed
suse enterprise server 12 SP4
2.0.876-12.27.2
fixed
suse enterprise server 12 SP5
2.0.876-12.27.2
fixed
suse enterprise server 15
2.0.876-13.42.1
fixed
suse enterprise server 15 SP1
2.0.876-13.42.1
fixed
suse enterprise server 15 SP2
2.1.4-22.14.1
fixed
suse enterprise server 15 SP3
2.1.4-30.1
fixed
suse enterprise server 15 SP4
2.1.6-150400.37.6
fixed
suse enterprise server 15 SP5
2.1.8-150500.44.1
fixed
suse enterprise server 15 SP6
2.1.9-150600.49.8
fixed
suse enterprise server 15 SP7
2.1.11-150700.55.1
fixed
open-iscsi-devel
suse enterprise desktop 15 SP2
2.1.4-22.14.1
fixed
suse enterprise desktop 15 SP3
2.1.4-30.1
fixed
suse enterprise desktop 15 SP4
2.1.6-150400.37.6
fixed
suse enterprise desktop 15 SP5
2.1.8-150500.44.1
fixed
suse enterprise desktop 15 SP6
2.1.9-150600.49.8
fixed
suse enterprise desktop 15 SP7
2.1.11-150700.55.1
fixed
suse enterprise sap 15
2.0.876-13.42.1
fixed
suse enterprise sap 15 SP1
2.0.876-13.42.1
fixed
suse enterprise sap 15 SP2
2.1.4-22.14.1
fixed
suse enterprise sap 15 SP3
2.1.4-30.1
fixed
suse enterprise sap 15 SP4
2.1.6-150400.37.6
fixed
suse enterprise sap 15 SP5
2.1.8-150500.44.1
fixed
suse enterprise sap 15 SP6
2.1.9-150600.49.8
fixed
suse enterprise sap 15 SP7
2.1.11-150700.55.1
fixed
suse enterprise server 15
2.0.876-13.42.1
fixed
suse enterprise server 15 SP1
2.0.876-13.42.1
fixed
suse enterprise server 15 SP2
2.1.4-22.14.1
fixed
suse enterprise server 15 SP3
2.1.4-30.1
fixed
suse enterprise server 15 SP4
2.1.6-150400.37.6
fixed
suse enterprise server 15 SP5
2.1.8-150500.44.1
fixed
suse enterprise server 15 SP6
2.1.9-150600.49.8
fixed
suse enterprise server 15 SP7
2.1.11-150700.55.1
fixed