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CVE-2021-0249

Junos OS: SRX Series: A remote attacker may be able to cause a PFE buffer overflow to arbitrarily remotely execute code or commands on the target device with UTM enabled.

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 15.1X49-D190, 17.4R2-S9, 18.1R3-S9, 18.2R3-S1
None on Exploit-DB, Metasploit or GitHub

Summary

On SRX Series devices configured with UTM services a buffer overflow vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS may allow an attacker to arbitrarily execute code or commands on the target to take over or otherwise impact the device by sending crafted packets to or through the device. This issue affects: Juniper Networks Junos OS on SRX Series: 15.1X49 versions prior to 15.1X49-D190; 17.4 versions prior to 17.4R2-S9; 17.4R3 and later versions prior to 18.1R3-S9; 18.2 versions prior to 18.2R3-S1; 18.3 versions prior to 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R2-S3, 18.4R3; 19.1 versions prior to 19.1R1-S4, 19.1R2; 19.2 versions prior to 19.2R1-S1, 19.2R2. An indicator of compromise can be the following text in the UTM log: RT_UTM: AV_FILE_NOT_SCANNED_PASSED_MT:

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Juniper Networks Junos OS

    From 15.1X49 · fixed in 15.1X49-D190; From 17.4 · fixed in 17.4R2-S9; From 18.1 · fixed in 18.1R3-S9; From 18.2 · fixed in 18.2R3-S1

References 1

kb.juniper.net