CVE-2020-13987
Published: 1 December 2020
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.
Notes
| Author | Note |
|---|---|
| sbeattie | aka FSCT-2020-0009 issue in embedded copy of uIP |
| mdeslaur | per upstream "iscsiuio only uses uip for network "services", such as DHCP, ARP, etc, and not for normal TCP/IP communications" |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
open-iscsi Launchpad, Ubuntu, Debian |
impish |
Released
(2.1.3-1ubuntu1)
|
| kinetic |
Released
(2.1.3-1ubuntu1)
|
|
| groovy |
Ignored
(end of life)
|
|
| bionic |
Released
(2.0.874-5ubuntu2.11+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| focal |
Released
(2.0.874-7.1ubuntu6.4)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Released
(2.1.3)
|
|
| hirsute |
Released
(2.1.3-1ubuntu1)
|
|
| xenial |
Released
(2.0.873+git0.3b4b4500-14ubuntu3.7+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| jammy |
Released
(2.1.3-1ubuntu1)
|
|
| lunar |
Released
(2.1.3-1ubuntu1)
|
|
|
Patches: upstream: https://github.com/open-iscsi/open-iscsi/commit/e2383973cbca64f8e17ed7c4ad98258edfed6644 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13987
- https://github.com/open-iscsi/open-iscsi/security/advisories/GHSA-r278-fm99-8rgp
- https://www.forescout.com/company/resources/amnesia33-how-tcp-ip-stacks-breed-critical-vulnerabilities-in-iot-ot-and-it-devices/
- https://ubuntu.com/security/notices/USN-6259-1
- NVD
- Launchpad
- Debian