Junos OS : Stack overflow vulnerability in CLI command processing

Summary

A Stack-based Buffer Overflow vulnerability in the CLI command of Juniper Networks Junos OS allows a low privileged attacker to execute a specific CLI commands leading to Denial of Service. Repeated actions by the attacker will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks: Junos OS • All versions prior to 19.1R3-S10; • 19.2 versions prior to 19.2R3-S7; • 19.3 versions prior to 19.3R3-S8; • 19.4 versions prior to 19.4R3-S12; • 20.2 versions prior to 20.2R3-S8; • 20.4 versions prior to 20.4R3-S8; • 21.2 versions prior to 21.2R3-S6; • 21.3 versions prior to 21.3R3-S5; • 21.4 versions prior to 21.4R3-S5; • 22.1 versions prior to 22.1R3-S3; • 22.2 versions prior to 22.2R3-S2; • 22.3 versions prior to 22.3R3-S1; • 22.4 versions prior to 22.4R2-S1; • 23.2 versions prior to 23.2R2.

Timeline

1. Oct 12, 2023, 11:01 PM UTCCVE published
2. Sep 18, 2024, 2:42 PM UTCCISA SSVC assessment

   Exploitation: none · Automatable: no · Technical impact: partial

3. Sep 18, 2024, 2:42 PM UTCRecord last updated

Affected versions

• Juniper Networks Junos OS

  fixed in 19.1R3-S10; From 19.2 · fixed in 19.2R3-S7; From 19.3 · fixed in 19.3R3-S8; From 19.4 · fixed in 19.4R3-S12; From 20.2 · fixed in 20.2R3-S8; From 20.4 · fixed in 20.4R3-S8; From 21.2 · fixed in 21.2R3-S6; From 21.3 · fixed in 21.3R3-S5; From 21.4 · fixed in 21.4R3-S5; From 22.1 · fixed in 22.1R3-S3; From 22.2 · fixed in 22.2R3-S2; From 22.3 · fixed in 22.3R3-S1; From 22.4 · fixed in 22.4R2-S1; From 23.2 · fixed in 23.2R2

References 1