CVE-2018-0051: Junos OS: Denial of Service vulnerability in MS-PIC, MS-MIC, MS-MPC, MS-DPC and SRX flow daemon (flowd) related to SIP ALG
First published: Wed Oct 10 2018(Updated: )
A Denial of Service vulnerability in the SIP application layer gateway (ALG) component of Junos OS based platforms allows an attacker to crash MS-PIC, MS-MIC, MS-MPC, MS-DPC or SRX flow daemon (flowd) process. This issue affects Junos OS devices with NAT or stateful firewall configuration in combination with the SIP ALG enabled. SIP ALG is enabled by default on SRX Series devices except for SRX-HE devices. SRX-HE devices have SIP ALG disabled by default. The status of ALGs in SRX device can be obtained by executing the command: show security alg status Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D77; 12.3X48 versions prior to 12.3X48-D70; 15.1X49 versions prior to 15.1X49-D140; 15.1 versions prior to 15.1R4-S9, 15.1R7-S1; 15.1F6; 16.1 versions prior to 16.1R4-S9, 16.1R6-S1, 16.1R7; 16.2 versions prior to 16.2R2-S7, 16.2R3; 17.1 versions prior to 17.1R2-S7, 17.1R3; 17.2 versions prior to 17.2R1-S6, 17.2R2-S4, 17.2R3; 17.3 versions prior to 17.3R1-S5, 17.3R2-S2, 17.3R3; 17.4 versions prior to 17.4R2. No other Juniper Networks products or platforms are affected by this issue.
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-d50 | |
| Juniper JUNOS | =12.1x46-d55 | |
| Juniper JUNOS | =12.1x46-d60 | |
| Juniper JUNOS | =12.1x46-d65 | |
| Juniper JUNOS | =12.3x48 | |
| Juniper JUNOS | =12.3x48-d10 | |
| Juniper JUNOS | =12.3x48-d15 | |
| Juniper JUNOS | =12.3x48-d20 | |
| 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 | =15.1x49 | |
| Juniper JUNOS | =15.1x49-d10 | |
| Juniper JUNOS | =15.1x49-d100 | |
| Juniper JUNOS | =15.1x49-d110 | |
| Juniper JUNOS | =15.1x49-d120 | |
| Juniper JUNOS | =15.1x49-d130 | |
| 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-d75 | |
| Juniper JUNOS | =15.1x49-d80 | |
| Juniper JUNOS | =15.1x49-d90 | |
| Juniper JUNOS | =15.1 | |
| Juniper JUNOS | =15.1-f6 | |
| Juniper JUNOS | =15.1-r1 | |
| Juniper JUNOS | =15.1-r2 | |
| Juniper JUNOS | =15.1-r3 | |
| Juniper JUNOS | =15.1-r7-s1 | |
| Juniper JUNOS | =16.1 | |
| Juniper JUNOS | =16.1-r1 | |
| Juniper JUNOS | =16.1-r2 | |
| Juniper JUNOS | =16.1-r3 | |
| Juniper JUNOS | =16.1-r5 | |
| Juniper JUNOS | =16.1-r6-s1 | |
| Juniper JUNOS | =16.1-r7 | |
| Juniper JUNOS | =16.2 | |
| Juniper JUNOS | =16.2-r1 | |
| Juniper JUNOS | =16.2-r3 | |
| Juniper JUNOS | =17.1 | |
| Juniper JUNOS | =17.1-r1 | |
| Juniper JUNOS | =17.1-r2 | |
| Juniper JUNOS | =17.1-r3 | |
| Juniper JUNOS | =17.2 | |
| Juniper JUNOS | =17.2-r1 | |
| Juniper JUNOS | =17.2-r2-s4 | |
| Juniper JUNOS | =17.2-r3 | |
| Juniper JUNOS | =17.3 | |
| Juniper JUNOS | =17.3-r2-s2 | |
| Juniper JUNOS | =17.3-r3 | |
| Juniper JUNOS | =17.4 | |
| Juniper JUNOS | =17.4-r1 |
Remedy
The following software releases have been updated to resolve these specific issues: 12.1X46-D77, 12.3X48-D70, 12.3X48-D75, 14.1X53-D47, 15.1R4-S9, 15.1R7-S1, 15.1X49-D140, 15.1X53-D471, 15.1X53-D490, 15.1X53-D59, 15.1X53-D67, 16.1R4-S9, 16.1R6-S1, 16.1R7, 16.2R2-S7, 16.2R3, 17.1R2-S7, 17.1R3, 17.2R1-S6, 17.2R2-S4, 17.2R3, 17.3R1-S5, 17.3R2-S2, 17.3R3, 17.4R2, 18.1R1, 18.1X75-D10, 18.2R1, 18.2X75-D5, and all subsequent releases. This fix has also been proactively committed into other releases that might not support SIP ALG configuration.
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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-d50
- version/juniper junos/12.1x46-d55
- version/juniper junos/12.1x46-d60
- version/juniper junos/12.1x46-d65
- version/juniper junos/12.3x48
- version/juniper junos/12.3x48-d10
- version/juniper junos/12.3x48-d15
- version/juniper junos/12.3x48-d20
- 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/15.1x49
- version/juniper junos/15.1x49-d10
- version/juniper junos/15.1x49-d100
- version/juniper junos/15.1x49-d110
- version/juniper junos/15.1x49-d120
- version/juniper junos/15.1x49-d130
- 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-d75
- version/juniper junos/15.1x49-d80
- version/juniper junos/15.1x49-d90
- version/juniper junos/15.1
- version/juniper junos/15.1-f6
- version/juniper junos/15.1-r1
- version/juniper junos/15.1-r2
- version/juniper junos/15.1-r3
- version/juniper junos/15.1-r7-s1
- version/juniper junos/16.1
- version/juniper junos/16.1-r1
- version/juniper junos/16.1-r2
- version/juniper junos/16.1-r3
- version/juniper junos/16.1-r5
- version/juniper junos/16.1-r6-s1
- version/juniper junos/16.1-r7
- version/juniper junos/16.2
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- version/juniper junos/17.1
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- version/juniper junos/17.2
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- version/juniper junos/17.2-r2-s4
- version/juniper junos/17.2-r3
- version/juniper junos/17.3
- version/juniper junos/17.3-r2-s2
- version/juniper junos/17.3-r3
- version/juniper junos/17.4
- version/juniper junos/17.4-r1