Junos OS and Junos OS Evolved: Stack overflow vulnerability in CLI command processing
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 19.1R3-S10, 19.2R3-S7, 19.3R3-S8, 19.4R3-S12, 20.2R3-S8, and 16 more
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
A Stack-based Buffer Overflow vulnerability in the CLI command of Juniper Networks Junos and Junos EVO 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-S4; • 22.1 versions prior to 22.1R3-S3; • 22.2 versions prior to 22.2R3-S1; • 22.3 versions prior to 22.3R3; • 22.4 versions prior to 22.4R2. Junos OS Evolved: • All versions prior to 20.4R3-S8-EVO; • 21.2 versions prior to 21.2R3-S6-EVO; • 21.3 versions prior to 21.3R3-S5-EVO; • 21.4 versions prior to 21.4R3-S4-EVO; • 22.1 versions prior to 22.1R3-S3-EVO; • 22.2 versions prior to 22.2R3-S1-EVO; • 22.3 versions prior to 22.3R3-EVO; • 22.4 versions prior to 22.4R2-EVO.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record 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-S4; From 22.1 · fixed in 22.1R3-S3; From 22.2 · fixed in 22.2R3-S1; From 22.3 · fixed in 22.3R3; From 22.4 · fixed in 22.4R2
- Juniper Networks Junos OS Evolved
fixed in 20.4R3-S8-EVO; From 21.2 · fixed in 21.2R3-S6-EVO; From 21.3 · fixed in 21.3R3-S5-EVO; From 21.4 · fixed in 21.4R3-S4-EVO; From 22.1 · fixed in 22.1R3-S3-EVO; From 22.2 · fixed in 22.2R3-S1-EVO; From 22.3 · fixed in 22.3R3-EVO; From 22.4 · fixed in 22.4R2-EVO