Vulnerability CVE-2022-22225

Vulnerability Name:

CVE-2022-22225 (CCN-238492)

Assigned:

2021-12-21

Published:

2022-10-12

Updated:

2022-10-12

Summary:

Juniper Junos OS and Junos OS Evolved is vulnerable to a denial of service, caused by a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in the Routing Protocol Daemon (rpd). By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause rpd crash.

CVSS v3 Severity:

5.9 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): High Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): High Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

5.4 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): High Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2022-22225

Source: XF
Type: UNKNOWN
juniper-cve202222225-dos(238492)

Source: CCN
Type: Juniper Networks Security Bulletin JSA69875
Junos OS and Junos OS Evolved: In a BGP multipath scenario, when one of the contributing routes is flapping often and rapidly, rpd may crash (CVE-2022-22225)

Vulnerable Configuration:

Configuration CCN 1:

cpe:/o:juniper:junos:19.2:-:*:*:*:*:*:*

OR cpe:/o:juniper:junos:20.2:-:*:*:*:*:*:*

OR cpe:/o:juniper:junos:20.3:-:*:*:*:*:*:*

OR cpe:/o:juniper:junos:20.4:-:*:*:*:*:*:*

OR cpe:/o:juniper:junos:21.1:-:*:*:*:*:*:*

OR cpe:/o:juniper:junos:21.2:-:*:*:*:*:*:*

OR cpe:/o:juniper:junos:21.3:-:*:*:*:*:*:*

OR cpe:/o:juniper:junos_os_evolved:*:*:*:*:*:*:*:*

Denotes that component is vulnerable

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