A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. Software that relies on UDP source port randomization are indirectly affected as well on the Linux Based Products (RUGGEDCOM RM1224: All versions between v5.0 and v6.4, SCALANCE M-800: All versions between v5.0 and v6.4, SCALANCE S615: All versions between v5.0 and v6.4, SCALANCE SC-600: All versions prior to v2.1.3, SCALANCE W1750D: v8.3.0.1, v8.6.0, and v8.7.0, SIMATIC Cloud Connect 7: All versions, SIMATIC MV500 Family: All versions, SIMATIC NET CP 1243-1 (incl. SIPLUS variants): Versions 3.1.39 and later, SIMATIC NET CP 1243-7 LTE EU: Version
References
Link | Resource |
---|---|
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-03 |
Information
Published : 2020-11-16 18:15
Updated : 2021-05-18 05:15
NVD link : CVE-2020-25705
Mitre link : CVE-2020-25705
JSON object : View
CWE
CWE-330
Use of Insufficiently Random Values
Products Affected
redhat
- enterprise_linux
linux
- linux_kernel