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.
CVSS Details
- CVSS 3.1 Base Score: 8.2
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade open-iscsi | Jul 30, 2024 | Dec 11, 2020 |
| Huawei Euleros 2_0_sp10 | — | Upgrade open-iscsi | May 18, 2023 | Dec 11, 2020 |
| Huawei Euleros 2_0_sp2 | — | Upgrade iscsi-initiator-utilsUpgrade iscsi-initiator-utils-iscsiuio | Feb 22, 2021 | Dec 11, 2020 |
| Huawei Euleros 2_0_sp3 | — | Upgrade iscsi-initiator-utils-iscsiuioUpgrade iscsi-initiator-utils | Jan 20, 2021 | Dec 11, 2020 |
| Huawei Euleros 2_0_sp5 | — | Upgrade iscsi-initiator-utils-iscsiuioUpgrade iscsi-initiator-utils | Mar 24, 2021 | Dec 11, 2020 |
| Huawei Euleros 2_0_sp9 | — | Upgrade open-iscsi | Jan 5, 2021 | Dec 11, 2020 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Dec 11, 2020 |
| Suse | — | Upgrade open-iscsi-develUpgrade iscsiuioUpgrade open-iscsiUpgrade libopeniscsiusr0_2_0 | Mar 2, 2021 | Dec 11, 2020 |
| Ubuntu | — | Upgrade open-iscsi (Ubuntu Pro)Upgrade open-iscsi | Jul 28, 2023 | Dec 11, 2020 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Dec 11, 2020 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub