CVE-2019-0010: Junos OS: SRX Series: Crafted HTTP traffic may cause UTM to consume all mbufs, leading to Denial of Service
First published: Tue Jan 15 2019(Updated: )
An SRX Series Service Gateway configured for Unified Threat Management (UTM) may experience a system crash with the error message "mbuf exceed" -- an indication of memory buffer exhaustion -- due to the receipt of crafted HTTP traffic. Each crafted HTTP packet inspected by UTM consumes mbufs which can be identified through the following log messages: all_logs.0:Jun 8 03:25:03 srx1 node0.fpc4 : SPU3 jmpi mbuf stall 50%. all_logs.0:Jun 8 03:25:13 srx1 node0.fpc4 : SPU3 jmpi mbuf stall 51%. all_logs.0:Jun 8 03:25:24 srx1 node0.fpc4 : SPU3 jmpi mbuf stall 52%. ... Eventually the system runs out of mbufs and the system crashes (fails over) with the error "mbuf exceed". This issue only occurs when HTTP AV inspection is configured. Devices configured for Web Filtering alone are unaffected by this issue. Affected releases are Junos OS on SRX Series: 12.1X46 versions prior to 12.1X46-D81; 12.3X48 versions prior to 12.3X48-D77; 15.1X49 versions prior to 15.1X49-D101, 15.1X49-D110.
Credit: sirt@juniper.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Juniper JUNOS | =12.1x46 | |
| Juniper JUNOS | =12.1x46-d10 | |
| Juniper JUNOS | =12.1x46-d15 | |
| Juniper JUNOS | =12.1x46-d20 | |
| Juniper JUNOS | =12.1x46-d25 | |
| Juniper JUNOS | =12.1x46-d30 | |
| Juniper JUNOS | =12.1x46-d35 | |
| Juniper JUNOS | =12.1x46-d40 | |
| Juniper JUNOS | =12.1x46-d45 | |
| Juniper JUNOS | =12.1x46-d55 | |
| Juniper JUNOS | =12.1x46-d60 | |
| Juniper Srx100 | ||
| Juniper Srx110 | ||
| Juniper Srx1400 | ||
| Juniper Srx210 | ||
| Juniper Srx220 | ||
| Juniper Srx240 | ||
| Juniper Srx3400 | ||
| Juniper Srx3600 | ||
| Juniper Srx5400 | ||
| Juniper Srx550 | ||
| Juniper Srx5600 | ||
| Juniper Srx5800 | ||
| Juniper Srx650 | ||
| Juniper JUNOS | =12.3x48-d10 | |
| Juniper JUNOS | =12.3x48-d15 | |
| Juniper JUNOS | =12.3x48-d25 | |
| Juniper JUNOS | =12.3x48-d30 | |
| Juniper JUNOS | =12.3x48-d35 | |
| Juniper JUNOS | =12.3x48-d40 | |
| Juniper JUNOS | =12.3x48-d45 | |
| Juniper JUNOS | =12.3x48-d50 | |
| Juniper JUNOS | =12.3x48-d55 | |
| Juniper JUNOS | =12.3x48-d60 | |
| Juniper JUNOS | =12.3x48-d65 | |
| Juniper JUNOS | =12.3x48-d70 | |
| Juniper JUNOS | =12.3x48-d75 | |
| Juniper JUNOS | =15.1x49-d10 | |
| Juniper JUNOS | =15.1x49-d100 | |
| Juniper JUNOS | =15.1x49-d20 | |
| Juniper JUNOS | =15.1x49-d30 | |
| Juniper JUNOS | =15.1x49-d35 | |
| Juniper JUNOS | =15.1x49-d40 | |
| Juniper JUNOS | =15.1x49-d45 | |
| Juniper JUNOS | =15.1x49-d50 | |
| Juniper JUNOS | =15.1x49-d55 | |
| Juniper JUNOS | =15.1x49-d60 | |
| Juniper JUNOS | =15.1x49-d65 | |
| Juniper JUNOS | =15.1x49-d70 | |
| Juniper JUNOS | =15.1x49-d75 | |
| Juniper JUNOS | =15.1x49-d80 | |
| Juniper JUNOS | =15.1x49-d90 |
Remedy
The following software releases have been updated to resolve this specific issue: Junos OS 12.1X46-D81, 12.3X48-D77, 15.1X49-D101, 15.1X49-D110, 17.3R1, and all subsequent releases.
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- version/juniper junos/12.1x46
- version/juniper junos/12.1x46-d10
- version/juniper junos/12.1x46-d15
- version/juniper junos/12.1x46-d20
- version/juniper junos/12.1x46-d25
- version/juniper junos/12.1x46-d30
- version/juniper junos/12.1x46-d35
- version/juniper junos/12.1x46-d40
- version/juniper junos/12.1x46-d45
- version/juniper junos/12.1x46-d55
- version/juniper junos/12.1x46-d60
- canonical/juniper srx100
- canonical/juniper srx110
- canonical/juniper srx1400
- canonical/juniper srx210
- canonical/juniper srx220
- canonical/juniper srx240
- canonical/juniper srx3400
- canonical/juniper srx3600
- canonical/juniper srx5400
- canonical/juniper srx550
- canonical/juniper srx5600
- canonical/juniper srx5800
- canonical/juniper srx650
- version/juniper junos/12.3x48-d10
- version/juniper junos/12.3x48-d15
- version/juniper junos/12.3x48-d25
- version/juniper junos/12.3x48-d30
- version/juniper junos/12.3x48-d35
- version/juniper junos/12.3x48-d40
- version/juniper junos/12.3x48-d45
- version/juniper junos/12.3x48-d50
- version/juniper junos/12.3x48-d55
- version/juniper junos/12.3x48-d60
- version/juniper junos/12.3x48-d65
- version/juniper junos/12.3x48-d70
- version/juniper junos/12.3x48-d75
- version/juniper junos/15.1x49-d10
- version/juniper junos/15.1x49-d100
- version/juniper junos/15.1x49-d20
- version/juniper junos/15.1x49-d30
- version/juniper junos/15.1x49-d35
- version/juniper junos/15.1x49-d40
- version/juniper junos/15.1x49-d45
- version/juniper junos/15.1x49-d50
- version/juniper junos/15.1x49-d55
- version/juniper junos/15.1x49-d60
- version/juniper junos/15.1x49-d65
- version/juniper junos/15.1x49-d70
- version/juniper junos/15.1x49-d75
- version/juniper junos/15.1x49-d80
- version/juniper junos/15.1x49-d90