UBUNTU-CVE-2020-25705
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
02 / AFFECTED SOFTWARE
Affected packages
86 explicit affected versions
50 explicit affected versions
6 explicit affected versions
6 explicit affected versions
54 explicit affected versions
16 explicit affected versions
35 explicit affected versions
8 explicit affected versions
63 explicit affected versions
23 explicit affected versions
1 explicit affected versions
1 explicit affected versions
4 explicit affected versions
1 explicit affected versions
7 explicit affected versions
9 explicit affected versions
1 explicit affected versions
17 explicit affected versions
23 explicit affected versions
54 explicit affected versions
16 explicit affected versions
11 explicit affected versions
10 explicit affected versions
34 explicit affected versions
3 explicit affected versions
53 explicit affected versions
33 explicit affected versions
1 explicit affected versions
1 explicit affected versions
23 explicit affected versions
13 explicit affected versions
50 explicit affected versions
1 explicit affected versions
19 explicit affected versions
30 explicit affected versions
10 explicit affected versions
11 explicit affected versions
88 explicit affected versions
17 explicit affected versions
2 explicit affected versions
53 explicit affected versions
11 explicit affected versions
58 explicit affected versions
1 explicit affected versions
118 explicit affected versions
11 explicit affected versions
66 explicit affected versions
1 explicit affected versions
13 explicit affected versions
7 explicit affected versions
1 explicit affected versions
7 explicit affected versions
1 explicit affected versions
11 explicit affected versions
75 explicit affected versions
7 explicit affected versions
35 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
38 explicit affected versions
9 explicit affected versions
96 explicit affected versions
7 explicit affected versions
81 explicit affected versions
31 explicit affected versions
43 explicit affected versions
4 explicit affected versions
6 explicit affected versions
43 explicit affected versions
1 explicit affected versions
12 explicit affected versions
11 explicit affected versions
4 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/b38e7819cae946e2edf869e604af1e65a5d241c5
- https://ubuntu.com/security/CVE-2020-25705
- https://ubuntu.com/security/notices/USN-4657-1
- https://ubuntu.com/security/notices/USN-4658-1
- https://ubuntu.com/security/notices/USN-4659-1
- https://ubuntu.com/security/notices/USN-4680-1
- https://www.cve.org/CVERecord?id=CVE-2020-25705
- https://www.saddns.net/