QID 43951

Date Published: 2023-01-30

QID 43951: Juniper Network Operating System (Junos OS) Denial of Service (DoS) Vulnerability (JSA70181)

Juniper Junos is the network operating system used in Juniper Networks hardware systems.

An Access of Uninitialized Pointer vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS allows a locally authenticated attacker with low privileges to cause a Denial of Service (DoS).

Affected Junos versions:
15.1 versions prior to 15.1R7-S12
19.1 versions prior to 19.1R3-S9
19.2 versions prior to 19.2R1-S9, 19.2R3-S5
19.3 versions prior to 19.3R3-S6
19.4 versions prior to 19.4R2-S7, 19.4R3-S8
20.1 versions prior to 20.1R3-S4
20.2 versions prior to 20.2R3-S5
20.3 versions prior to 20.3R3-S5
20.4 versions prior to 20.4R3-S4
21.1 versions prior to 21.1R1-S1, 21.1R2

QID detection logic: (Authenticated)
It checks for vulnerable Junos OS version.

Successful exploitation of this vulnerability may allows a locally authenticated attacker with low privileges to cause a Denial of Service (DoS).

CVSS V3 rated as Medium - 5.5 severity.

CVSS V2 rated as Low - 1.8 severity.

Solution

The following software releases have been updated to resolve this specific issue:

Junos OS: 15.1R7-S12, 19.1R3-S9, 19.2R1-S9, 19.2R3-S5, 19.3R3-S6, 19.4R2-S7, 19.4R3-S8, 20.1R3-S4, 20.2R3-S5, 20.3R3-S5, 20.4R3-S4, 21.1R1-S1, 21.1R2, 21.2R1, and all subsequent releases. Please refer to JSA70181

Workaround:
To reduce the risk of exploitation of this issue, use access lists or firewall filters to limit access to only trusted networks, hosts and users.

Vendor References

JSA70181 - kb.juniper.net/JSA70181

CVEs related to QID 43951

CVE-2023-22398 |

Software Advisories

Advisory ID	Software	Component	Link
JSA70181			kb.juniper.net/JSA70181

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