Junos OS: jdhcpd daemon crash due to invalid IPv6 UDP packets
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-400.
Summary
The Juniper Enhanced jdhcpd daemon may experience high CPU utilization, or crash and restart upon receipt of an invalid IPv6 UDP packet. Both high CPU utilization and repeated crashes of the jdhcpd daemon can result in a denial of service as DHCP service is interrupted. No other Juniper Networks products or platforms are affected by this issue. Affected releases are Juniper Networks Junos OS 14.1X53 prior to 14.1X53-D12, 14.1X53-D38, 14.1X53-D40 on QFX, EX, QFabric System; 15.1 prior to 15.1F2-S18, 15.1R4 on all products and platforms; 15.1X49 prior to 15.1X49-D80 on SRX; 15.1X53 prior to 15.1X53-D51, 15.1X53-D60 on NFX, QFX, EX.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Juniper | Junos OS | 14.1X53 prior to 14.1X53-D12, 14.1X53-D38, 14.1X53-D40 | — | No fix listed | CNA |
| Juniper | Junos OS | 15.1 prior to 15.1F2-S18, 15.1R4 | — | No fix listed | CNA |
| Juniper | Junos OS | 15.1X49 to before 15.1X49-D80 | 15.1X49-D80 | Patch available | CNA |
| Juniper | Junos OS | 15.1X53 prior to 15.1X53-D51, 15.1X53-D60 | — | No fix listed | CNA |
- Junos OS VendorJuniper Affected 14.1X53 prior to 14.1X53-D12, 14.1X53-D38, 14.1X53-D40 Fixed in — No fix listed CNA
- Junos OS VendorJuniper Affected 15.1 prior to 15.1F2-S18, 15.1R4 Fixed in — No fix listed CNA
- Junos OS VendorJuniper Affected 15.1X49 to before 15.1X49-D80 Fixed in 15.1X49-D80 Patch available CNA
- Junos OS VendorJuniper Affected 15.1X53 prior to 15.1X53-D51, 15.1X53-D60 Fixed in — No fix listed CNA
CPE configurations NVD · 37
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:juniper:junos:14.1x53:*:*:*:*:*:*:* | 14.1x53 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:14.1x53:d10:*:*:*:*:*:* | 14.1x53 d10 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:14.1x53:d38:*:*:*:*:*:* | 14.1x53 d38 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:14.1x53:d40:*:*:*:*:*:* | 14.1x53 d40 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1:*:*:*:*:*:*:* | 15.1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1:f1:*:*:*:*:*:* | 15.1 f1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1:f2:*:*:*:*:*:* | 15.1 f2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1:f2-s1:*:*:*:*:*:* | 15.1 f2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1:f2-s2:*:*:*:*:*:* | 15.1 f2-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1:f2-s3:*:*:*:*:*:* | 15.1 f2-s3 | Vulnerable | Juniper |
- cpe:2.3:o:juniper:junos:14.1x53:*:*:*:*:*:*:* Versions 14.1x53 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:14.1x53:d10:*:*:*:*:*:* Versions 14.1x53 d10 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:14.1x53:d38:*:*:*:*:*:* Versions 14.1x53 d38 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:14.1x53:d40:*:*:*:*:*:* Versions 14.1x53 d40 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1:f1:*:*:*:*:*:* Versions 15.1 f1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1:f2:*:*:*:*:*:* Versions 15.1 f2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1:f2-s1:*:*:*:*:*:* Versions 15.1 f2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1:f2-s2:*:*:*:*:*:* Versions 15.1 f2-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1:f2-s3:*:*:*:*:*:* Versions 15.1 f2-s3 Vulnerable ·Juniper
Show 27 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:juniper:junos:15.1:f2-s4:*:*:*:*:*:* | 15.1 f2-s4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1:r4:*:*:*:*:*:* | 15.1 r4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x49:*:*:*:*:*:*:* | 15.1x49 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x49:d10:*:*:*:*:*:* | 15.1x49 d10 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x49:d20:*:*:*:*:*:* | 15.1x49 d20 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x49:d30:*:*:*:*:*:* | 15.1x49 d30 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x49:d35:*:*:*:*:*:* | 15.1x49 d35 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x49:d40:*:*:*:*:*:* | 15.1x49 d40 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x49:d45:*:*:*:*:*:* | 15.1x49 d45 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x49:d50:*:*:*:*:*:* | 15.1x49 d50 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x49:d55:*:*:*:*:*:* | 15.1x49 d55 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x49:d60:*:*:*:*:*:* | 15.1x49 d60 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x49:d65:*:*:*:*:*:* | 15.1x49 d65 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x49:d70:*:*:*:*:*:* | 15.1x49 d70 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x49:d75:*:*:*:*:*:* | 15.1x49 d75 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x53:*:*:*:*:*:*:* | 15.1x53 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x53:d10:*:*:*:*:*:* | 15.1x53 d10 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x53:d20:*:*:*:*:*:* | 15.1x53 d20 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x53:d21:*:*:*:*:*:* | 15.1x53 d21 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x53:d25:*:*:*:*:*:* | 15.1x53 d25 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x53:d30:*:*:*:*:*:* | 15.1x53 d30 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x53:d32:*:*:*:*:*:* | 15.1x53 d32 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x53:d33:*:*:*:*:*:* | 15.1x53 d33 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x53:d34:*:*:*:*:*:* | 15.1x53 d34 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x53:d47:*:*:*:*:*:* | 15.1x53 d47 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x53:d48:*:*:*:*:*:* | 15.1x53 d48 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:15.1x53:d60:*:*:*:*:*:* | 15.1x53 d60 | Vulnerable | Juniper |
- cpe:2.3:o:juniper:junos:15.1:f2-s4:*:*:*:*:*:* Versions 15.1 f2-s4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1:r4:*:*:*:*:*:* Versions 15.1 r4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x49:*:*:*:*:*:*:* Versions 15.1x49 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x49:d10:*:*:*:*:*:* Versions 15.1x49 d10 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x49:d20:*:*:*:*:*:* Versions 15.1x49 d20 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x49:d30:*:*:*:*:*:* Versions 15.1x49 d30 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x49:d35:*:*:*:*:*:* Versions 15.1x49 d35 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x49:d40:*:*:*:*:*:* Versions 15.1x49 d40 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x49:d45:*:*:*:*:*:* Versions 15.1x49 d45 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x49:d50:*:*:*:*:*:* Versions 15.1x49 d50 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x49:d55:*:*:*:*:*:* Versions 15.1x49 d55 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x49:d60:*:*:*:*:*:* Versions 15.1x49 d60 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x49:d65:*:*:*:*:*:* Versions 15.1x49 d65 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x49:d70:*:*:*:*:*:* Versions 15.1x49 d70 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x49:d75:*:*:*:*:*:* Versions 15.1x49 d75 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x53:*:*:*:*:*:*:* Versions 15.1x53 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x53:d10:*:*:*:*:*:* Versions 15.1x53 d10 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x53:d20:*:*:*:*:*:* Versions 15.1x53 d20 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x53:d21:*:*:*:*:*:* Versions 15.1x53 d21 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x53:d25:*:*:*:*:*:* Versions 15.1x53 d25 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x53:d30:*:*:*:*:*:* Versions 15.1x53 d30 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x53:d32:*:*:*:*:*:* Versions 15.1x53 d32 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x53:d33:*:*:*:*:*:* Versions 15.1x53 d33 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x53:d34:*:*:*:*:*:* Versions 15.1x53 d34 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x53:d47:*:*:*:*:*:* Versions 15.1x53 d47 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x53:d48:*:*:*:*:*:* Versions 15.1x53 d48 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:15.1x53:d60:*:*:*:*:*:* Versions 15.1x53 d60 Vulnerable ·Juniper
Remediation
- Fix · CNA Junos OS (Juniper Networks) Fixed in 15.1X49-D80
Timeline
- 2026-10-02 Threatist record created from CVE-2017-2348
- 2026-10-03 Alias added: GHSA-3vv6-22qm-hgwq
References
Advisory 1
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Sources
- CVE-2017-2348 · CVE Program
- CVE-2017-2348 · NVD
- FIRST EPSS
- GHSA-3vv6-22qm-hgwq · GitHub Advisory Database · CC BY 4.0
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