CVE-2020-25705

Aliases:UBUNTU-CVE-2020-25705DEBIAN-CVE-2020-25705
Advisory lineage Upstream: 0 Downstream: 44
Modified
Published: 17 Nov 2020, 01:16
Last modified:04 Aug 2024, 15:40

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.4 HIGH
v3.1 (nvd)
EPSS Score
6.69% LOW
7% probability +5.71%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

17 Nov 2020, 01:16
Published
Vulnerability first disclosed
04 Aug 2024, 15:40
Last Modified
Vulnerability information updated

Description

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

CVSS Metrics

  • v3.1•HIGH•Score: 7.4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
  • v2.0•MEDIUM•Score: 5.8AV:N/AC:M/Au:N/C:P/I:P/A:N

EPSS Trends

Current EPSS score: 6.69%• Percentile: 94%

Techniques & Countermeasures

  • CWE-330•Use of Insufficiently Random Values

    The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.

Affected Systems

  • debian•linux

    < 5.9.6-1 | < 5.9.6-1 | < 5.9.6-1 | < 5.9.6-1

  • ubuntu•linux

    < 4.4.0-197.229 | < 4.15.0-129.132 | < 5.4.0-56.62

  • ubuntu•linux-aws

    < 4.4.0-1082.86 | < 4.4.0-1118.132 | < 4.15.0-1091.96 | < 5.4.0-1030.31

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1030.31~18.04.1

  • ubuntu•linux-aws-fips

    < 4.15.0-2034.35 | all | < 5.4.0-1069.73+fips2

  • ubuntu•linux-aws-hwe

    < 4.15.0-1091.96~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1103.114~14.04.1 | < 4.15.0-1103.114~16.04.1 | all | < 5.4.0-1032.33

  • ubuntu•linux-azure-4.15

    < 4.15.0-1103.114

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1032.33~18.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2016.18 | all | < 5.4.0-1073.76+fips1

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-dell300x

    < 4.15.0-1010.14

  • ubuntu•linux-fips

    < 4.4.0-1051.57 | all | < 4.15.0-1049.56

  • ubuntu•linux-gcp

    < 4.15.0-1091.104~16.04.1 | all | < 5.4.0-1030.32

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1091.104

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1030.32~18.04.1

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    all | < 5.4.0-1067.71~20.04.1

  • ubuntu•linux-gke-4.15

    < 4.15.0-1077.82

  • ubuntu•linux-gke-5.4

    < 5.4.0-1030.32~18.04.1

  • ubuntu•linux-gkeop-5.4

    < 5.4.0-1005.6

  • ubuntu•linux-hwe

    < 4.15.0-129.132~16.04.1 | all

  • ubuntu•linux-hwe-5.4

    < 5.4.0-56.62~18.04.1

  • ubuntu•linux-hwe-5.8

    < 5.8.0-31.33~20.04.1

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1084.93 | < 4.15.0-1082.84 | < 5.4.0-1028.29

  • ubuntu•linux-lts-xenial

    < 4.4.0-197.229~14.04.1

  • ubuntu•linux-oem

    all

  • ubuntu•linux-oem-5.6

    < 5.6.0-1050.54

  • ubuntu•linux-oracle

    < 4.15.0-1062.68~16.04.1 | < 4.15.0-1062.68 | < 5.4.0-1030.32

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-oracle-5.3

    all

  • ubuntu•linux-oracle-5.4

    < 5.4.0-1030.32~18.04.1

  • ubuntu•linux-raspi

    < 5.4.0-1023.26

  • ubuntu•linux-raspi-5.4

    < 5.4.0-1023.26~18.04.1

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.4.0-1142.152 | < 4.15.0-1077.82 | all

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    < 5.4.0-37.42

  • ubuntu•linux-snapdragon

    < 4.4.0-1146.156 | < 4.15.0-1094.103

  • linux•linux_kernel

    < 5.10.0

  • redhat•enterprise_linux

    7.0 | 8.0

References (10)