Junos OS and Junos OS Evolved: When RIB sharding is configured each time a show command is executed RPD memory leaks
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 21.2R3-S9, 21.4R3-S11, 22.2R3-S7, 22.4R3-S7, 23.2R2-S4, and 8 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 Missing Release of Memory after Effective Lifetime vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low privileged user to cause an impact to the availability of the device. When RIB sharding is enabled and a user executes one of several routing related 'show' commands, a certain amount of memory is leaked. When all available memory has been consumed rpd will crash and restart. The leak can be monitored with the CLI command: show task memory detail | match task_shard_mgmt_cookie where the allocated memory in bytes can be seen to continuously increase with each exploitation. This issue affects: Junos OS: • all versions before 21.2R3-S9, • 21.4 versions before 21.4R3-S11, • 22.2 versions before 22.2R3-S7, • 22.4 versions before 22.4R3-S7, • 23.2 versions before 23.2R2-S4, • 23.4 versions before 23.4R2-S4, • 24.2 versions before 24.2R2, • 24.4 versions before 24.4R1-S2, 24.4R2; Junos OS Evolved: • all versions before 22.2R3-S7-EVO • 22.4-EVO versions before 22.4R3-S7-EVO, • 23.2-EVO versions before 23.2R2-S4-EVO, • 23.4-EVO versions before 23.4R2-S4-EVO, • 24.2-EVO versions before 24.2R2-EVO, • 24.4-EVO versions before 24.4R2-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 21.2R3-S9; From 21.4 · fixed in 21.4R3-S11; From 22.2 · fixed in 22.2R3-S7; From 22.4 · fixed in 22.4R3-S7; From 23.2 · fixed in 23.2R2-S4; From 23.4 · fixed in 23.4R2-S4; From 24.2 · fixed in 24.2R2
- Juniper Networks Junos OS Evolved
fixed in 22.2R3-S7-EVO; From 22.4-EVO · fixed in 22.4R3-S7-EVO; From 23.2-EVO · fixed in 23.2R2-S4-EVO; From 23.4-EVO · fixed in 23.4R2-S4-EVO; From 24.2-EVO · fixed in 24.2R2-EVO; From 24.4-EVO · fixed in 24.4R2-EVO