Juniper Junos SRX ICAP Redirect Service HTTP Message buffer overflow

Summaryinfo

A vulnerability classified as critical was found in Juniper Junos SRX. This vulnerability affects unknown code of the component ICAP Redirect Service. Executing a manipulation as part of HTTP Message can lead to buffer overflow. This vulnerability appears as CVE-2020-1654. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Juniper Junos SRX (Router Operating System) (version unknown). This vulnerability affects an unknown function of the component ICAP Redirect Service. The manipulation as part of a HTTP Message leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

On Juniper Networks SRX Series with ICAP (Internet Content Adaptation Protocol) redirect service enabled, processing a malformed HTTP message can lead to a Denial of Service (DoS) or Remote Code Execution (RCE) Continued processing of this malformed HTTP message may result in an extended Denial of Service (DoS) condition. The offending HTTP message that causes this issue may originate both from the HTTP server or the HTTP client. This issue affects Juniper Networks Junos OS on SRX Series: 18.1 versions prior to 18.1R3-S9 ; 18.2 versions prior to 18.2R2-S7, 18.2R3-S3; 18.3 versions prior to 18.3R1-S7, 18.3R2-S4, 18.3R3-S1; 18.4 versions prior to 18.4R1-S7, 18.4R2-S4, 18.4R3; 19.1 versions prior to 19.1R1-S5, 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 presented 07/17/2020 (Website). The advisory is shared for download at kb.juniper.net. This vulnerability was named CVE-2020-1654 since 11/04/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit 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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