CVE-2020-1644

Description

On Juniper Networks Junos OS and Junos OS Evolved devices, the receipt of a specific BGP UPDATE packet causes an internal counter to be incremented incorrectly, which over time can lead to the routing protocols process (RPD) crash and restart. This issue affects both IBGP and EBGP multihop deployment in IPv4 or IPv6 network. This issue affects: Juniper Networks Junos OS: 17.2X75 versions prior to 17.2X75-D105.19; 17.3 versions prior to 17.3R3-S8; 17.4 versions prior to 17.4R2-S10, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R2-S7, 18.2R3-S4; 18.2X75 versions prior to 18.2X75-D13, 18.2X75-D411.1, 18.2X75-D420.18, 18.2X75-D52.3, 18.2X75-D60; 18.3 versions prior to 18.3R2-S4, 18.3R3-S2; 18.4 versions prior to 18.4R1-S7, 18.4R2-S4, 18.4R3-S2; 19.1 versions prior to 19.1R1-S5, 19.1R2-S1, 19.1R3; 19.2 versions prior to 19.2R1-S5, 19.2R2; 19.3 versions prior to 19.3R2-S2, 19.3R3; 19.4 versions prior to 19.4R1-S2, 19.4R2. Juniper Networks Junos OS Evolved: any releases prior to 20.1R2-EVO. This issue does not affect Juniper Networks Junos OS releases prior to 17.3R1.

Risk Information

Base Score
7.5
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.389

Associated Vulnerability

VulnerabilityOS Platform
Vulnerabilities CVE-2020-1644 are fixed in junos 17.2x75-d105.19NCM
Multiple Vulnerabilities are fixed in junos 17.3R3-S8NCM
Vulnerabilities CVE-2020-1644,CVE-2020-1655,CVE-2021-0245,CVE-2021-0273 are fixed in junos 17.4R2-S10NCM
Multiple Vulnerabilities are fixed in junos 18.1R3-S10NCM
Multiple Vulnerabilities are fixed in junos 18.2R2-S7NCM
Multiple Vulnerabilities are fixed in junos 18.3R2-S4NCM
Multiple Vulnerabilities are fixed in junos 18.4R1-S7NCM
Multiple Vulnerabilities are fixed in junos 19.1R1-S5NCM
Multiple Vulnerabilities are fixed in junos 19.2R1-S5NCM
Vulnerabilities CVE-2020-1644,CVE-2020-1649,CVE-2020-1655 are fixed in junos 19.3R2-S2NCM
Vulnerabilities CVE-2020-1640,CVE-2020-1644,CVE-2020-1648,CVE-2020-1653 are fixed in junos 19.4r1-s2NCM
Vulnerabilities CVE-2020-1644 are fixed in junos_os_evolved 19.2r1-s5NCM
Vulnerabilities CVE-2020-1644 are fixed in junos_os_evolved 20.18NCM
Improper Check or Handling of Exceptional Conditions Vulnerability (CVE-2020-1644)NCM

Patch Details

Click to see the patches provided by ManageEngine for this CVE
Patch IDPatch Description
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704509Security Update for junos_os_evolved 20.4R1-EVO.
PATCH-1704509Security Update for junos_os_evolved 20.4R1-EVO.

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234