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CVE-2017-2345— Junos: snmpd denial of service upon receipt of crafted SNMP packet

Quick assessment

Affected
Juniper Networks Junos OS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Juniper Junos是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件系统的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Junos中存在拒绝服务漏洞。攻击者可利用该漏洞造成snmpd守护进程崩溃和受影响设备重启，导致拒绝服务。

AI Predicted 9.8 Difficulty: Easy EPSS 3.63% · P89
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I. Basic Information for CVE-2017-2345

Vulnerability Information
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Vulnerability Title
Junos: snmpd denial of service upon receipt of crafted SNMP packet
Source: CVE Program / CVE List V5
Vulnerability Description
On Junos OS devices with SNMP enabled, a network based attacker with unfiltered access to the RE can cause the Junos OS snmpd daemon to crash and restart by sending a crafted SNMP packet. Repeated crashes of the snmpd daemon can result in a partial denial of service condition. Additionally, it may be possible to craft a malicious SNMP packet in a way that can result in remote code execution. SNMP is disabled in Junos OS by default. Junos OS devices with SNMP disabled are not affected by this issue. No other Juniper Networks products or platforms are affected by this issue. NOTE: This is a different issue than Cisco CVE-2017-6736, CVE-2017-6737, and CVE-2017-6738. Affected releases are Juniper Networks Junos OS 12.1X46 prior to 12.1X46-D67; 12.3X48 prior to 12.3X48-D51, 12.3X48-D55; 13.3 prior to 13.3R10-S2; 14.1 prior to 14.1R2-S10, 14.1R8-S4, 14.1R9; 14.1X50 prior to 14.1X50-D185; 14.1X53 prior to 14.1X53-D122, 14.1X53-D44, 14.1X53-D50; 14.2 prior to 14.2R4-S9, 14.2R7-S7, 14.2R8; 15.1 prior to 15.1F2-S18, 15.1F6-S7, 15.1R4-S8, 15.1R5-S5, 15.1R6-S1, 15.1R7; 15.1X49 prior to 15.1X49-D100, 15.1X49-D110; 15.1X53 prior to 15.1X53-D231, 15.1X53-D47, 15.1X53-D48, 15.1X53-D57, 15.1X53-D64, 15.1X53-D70; 16.1 prior to 16.1R3-S4, 16.1R4-S3, 16.1R4-S4, 16.1R5; 16.2 prior to 16.2R2, 16.2R3; 17.1 prior to 17.1R1-S3, 17.1R2, 17.1R3; 17.2 prior to 17.2R1-S1, 17.2R2; 17.2X75 prior to 17.2X75-D30. Junos releases prior to 10.2 are not affected.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Junos 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Junos是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件系统的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Junos中存在拒绝服务漏洞。攻击者可利用该漏洞造成snmpd守护进程崩溃和受影响设备重启，导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Juniper Networks Junos OS Junos releases prior to 10.2 are not affected -
Juniper Networks Junos OS 12.1X46 prior to 12.1X46-D67 -

II. Public POCs for CVE-2017-2345

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III. Intelligence Information for CVE-2017-2345

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Vendor Advisories for CVE-2017-2345 (3)

Same Patch Batch · Juniper Networks · 2017-07-14 · 20 CVEs total

CVE-2017-2338 ScreenOS: XSS vulnerability in ScreenOS Firewall
CVE-2017-2349 SRX Series: Command injection vulnerability in SRX IDP feature.
CVE-2017-2348 Junos OS: jdhcpd daemon crash due to invalid IPv6 UDP packets
CVE-2017-2347 Junos: Denial of Service vulnerability in rpd daemon
CVE-2017-2346 MS-MPC or MS-MIC crash when passing large fragmented traffic through an ALG
CVE-2017-2344 Junos: Buffer overflow in sockets library
CVE-2017-2343 SRX Series: Hardcoded credentials in Integrated UserFW feature.
CVE-2017-2342 SRX Series: MACsec failure to report errors
CVE-2017-2341 Junos OS: VM to host privilege escalation in platforms with Junos OS running in a virtuali
CVE-2017-2339 ScreenOS: XSS vulnerability in ScreenOS Firewall
CVE-2017-10601 Junos OS: Insufficient authentication for user login when a specific system configuration
CVE-2017-2337 ScreenOS: XSS vulnerability in ScreenOS Firewall
CVE-2017-2336 ScreenOS: XSS vulnerability in ScreenOS Firewall
CVE-2017-2335 ScreenOS: XSS vulnerability in ScreenOS Firewall
CVE-2017-2314 Junos: RPD crash due to malformed BGP OPEN message
CVE-2017-10605 Junos: SRX Series denial of service vulnerability in flowd due to crafted DHCP packet
CVE-2017-10604 Junos OS: SRX Series: Cluster configuration sync failures occur if the root user account i
CVE-2017-10603 Junos OS: Local XML Injection through CLI command can lead to privilege escalation
CVE-2017-10602 Junos OS: buffer overflow vulnerability in Junos CLI

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks

V. Comments for CVE-2017-2345

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