Juniper Junos SRX ICAP Redirect Service HTTP Message double free

Summaryinfo

A vulnerability was found in Juniper Junos SRX. It has been rated as problematic. The impacted element is an unknown function of the component ICAP Redirect Service. Performing a manipulation as part of HTTP Message results in double free. This vulnerability is identified as CVE-2020-1647. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Juniper Junos SRX (Router Operating System) (version unknown). This affects an unknown function of the component ICAP Redirect Service. The manipulation as part of a HTTP Message leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

On Juniper Networks SRX Series with ICAP (Internet Content Adaptation Protocol) redirect service enabled, a double free vulnerability can lead to a Denial of Service (DoS) or Remote Code Execution (RCE) due to processing of a specific HTTP message. Continued processing of this specific HTTP message may result in an extended Denial of Service (DoS). The offending HTTP message that causes this issue may originate both from the HTTP server or the client. This issue affects Juniper Networks Junos OS on SRX Series: 18.1 versions prior to 18.1R3-S9; 18.2 versions prior to 18.2R3-S3; 18.3 versions prior to 18.3R2-S4, 18.3R3-S1; 18.4 versions prior to 18.4R2-S5, 18.4R3; 19.1 versions prior to 19.1R2; 19.2 versions prior to 19.2R1-S2, 19.2R2; 19.3 versions prior to 19.3R2. This issue does not affect Juniper Networks Junos OS prior to 18.1R1.

The weakness was released 07/17/2020 (Website). The advisory is shared at kb.juniper.net. This vulnerability is uniquely identified as CVE-2020-1647 since 11/04/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Router Operating System

Vendor

• Juniper

Name

• Junos SRX

License

• commercial

Website

• Vendor: https://www.juniper.net/

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