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CVE-2017-2342— SRX Series: MACsec failure to report errors

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 SRX300 Series是美国瞻博网络（Juniper Networks）公司的一款网关设备。Junos OS是运行在其中的操作系统。 Juniper SRX300 Series设备上的Junos OS 15.1X49-D100之前的15.1X49版本中存在安全漏洞。远程攻击者可利用该漏洞查看目标系统上的敏感信息。

AI Predicted 5.9 Difficulty: Theoretical EPSS 0.57% · P46
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I. Basic Information for CVE-2017-2342

Vulnerability Information
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Vulnerability Title
SRX Series: MACsec failure to report errors
Source: CVE Program / CVE List V5
Vulnerability Description
MACsec feature on Juniper Networks Junos OS 15.1X49 prior to 15.1X49-D100 on SRX300 series does not report errors when a secure link can not be established. It falls back to an unencrypted link. This can happen when MACsec is configured on ports that are not capable of MACsec or when a secure link can not be established. This can mislead customers into believing that a link is secure. On SRX 300 series devices, prior to 15.1X49-D100, MACsec was only supported on control and fabric ports of SRX340 and SRX345 devices. SRX300 and and SRX320 did not have any MACsec capable ports. Configuring MACsec on ports that were not MACsec capable would have resulted in this issue. Affected releases are Juniper Networks Junos OS 15.1X49 prior to 15.1X49-D100 on SRX300 series.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
错误条件报告缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper SRX300 Series设备Junos OS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper SRX300 Series是美国瞻博网络（Juniper Networks）公司的一款网关设备。Junos OS是运行在其中的操作系统。 Juniper SRX300 Series设备上的Junos OS 15.1X49-D100之前的15.1X49版本中存在安全漏洞。远程攻击者可利用该漏洞查看目标系统上的敏感信息。
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 15.1X49 prior to 15.1X49-D100 -

II. Public POCs for CVE-2017-2342

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III. Intelligence Information for CVE-2017-2342

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Vendor Advisories for CVE-2017-2342 (2)

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-2017-2345 Junos: snmpd denial of service upon receipt of crafted SNMP packet
CVE-2017-2344 Junos: Buffer overflow in sockets library
CVE-2017-2343 SRX Series: Hardcoded credentials in Integrated UserFW feature.
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
Same weakness: CWE-392

V. Comments for CVE-2017-2342

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