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CVE-2018-0018— SRX Series: A crafted packet may lead to information disclosure and firewall rule bypass during compilation of IDP policies.

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 SRX Series devices是美国瞻博网络（Juniper Networks）公司的一个SRX系列网关设备。Junos OS是使用在其中的操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper SRX系列设备上的Junos OS 12.1X46版本、12.3X48版本和15.1X49版本（使用IDP策略）中存在信息泄露漏洞。远程攻击者可通过发送特制的数据包利用该漏洞绕过防火墙规则，获取信息，从而控制目标设备或其他内部设备，及受SRX系列产品保护的系统和服务。

AI Predicted 7.4 Difficulty: Moderate EPSS 1.56% · P74
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I. Basic Information for CVE-2018-0018

Vulnerability Information
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Vulnerability Title
SRX Series: A crafted packet may lead to information disclosure and firewall rule bypass during compilation of IDP policies.
Source: CVE Program / CVE List V5
Vulnerability Description
On SRX Series devices during compilation of IDP policies, an attacker sending specially crafted packets may be able to bypass firewall rules, leading to information disclosure which an attacker may use to gain control of the target device or other internal devices, systems or services protected by the SRX Series device. This issue only applies to devices where IDP policies are applied to one or more rules. Customers not using IDP policies are not affected. Depending on if the IDP updates are automatic or not, as well as the interval between available updates, an attacker may have more or less success in performing reconnaissance or bypass attacks on the victim SRX Series device or protected devices. ScreenOS with IDP is not vulnerable to this issue. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D60 on SRX; 12.3X48 versions prior to 12.3X48-D35 on SRX; 15.1X49 versions prior to 15.1X49-D60 on SRX.
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 SRX系列设备Junos OS 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper SRX Series devices是美国瞻博网络（Juniper Networks）公司的一个SRX系列网关设备。Junos OS是使用在其中的操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper SRX系列设备上的Junos OS 12.1X46版本、12.3X48版本和15.1X49版本（使用IDP策略）中存在信息泄露漏洞。远程攻击者可通过发送特制的数据包利用该漏洞绕过防火墙规则，获取信息，从而控制目标设备或其他内部设备，及受SRX系列产品保护的系统和服务。
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 12.1X46 ~ 12.1X46-D60 -

II. Public POCs for CVE-2018-0018

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III. Intelligence Information for CVE-2018-0018

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Vendor Advisories for CVE-2018-0018 (3)

Same Patch Batch · Juniper Networks · 2018-04-11 · 8 CVEs total

CVE-2018-0016 Junos OS: Kernel crash upon receipt of crafted CLNP datagrams
CVE-2018-0017 SRX Series: Denial of service vulnerability in flowd daemon on devices configured with NAT
CVE-2018-0019 Junos: Denial of service vulnerability in SNMP MIB-II subagent daemon (mib2d).
CVE-2018-0020 Junos OS: rpd daemon cores due to malformed BGP UPDATE packet
CVE-2018-0021 Junos OS: Short MacSec keys may allow man-in-the-middle attacks.
CVE-2018-0022 Junos OS: Mbuf leak due to processing MPLS packets in VPLS network.
CVE-2018-0023 Junos Snapshot Administrator (JSNAPy) world writeable default configuration file permissio

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks

V. Comments for CVE-2018-0018

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