CVE-2020-1654: Junos OS: SRX Series: processing a malformed HTTP message when ICAP redirect service is enabled may can lead to flowd process crash or remote code execution

Published Jul 17, 2020

Updated

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.

Affected Software

64 affected components

Juniper Junos=18.1

Juniper Junos=18.1-r1

Juniper Junos=18.1-r2

Juniper Junos=18.1-r2-s1

Juniper Junos=18.1-r2-s2

Juniper Junos=18.1-r2-s4

Juniper Junos=18.1-r3

Juniper Junos=18.1-r3-s1

Juniper Junos=18.1-r3-s2

Juniper Junos=18.1-r3-s3

Juniper Junos=18.1-r3-s4

Juniper Junos=18.1-r3-s6

Juniper Junos=18.1-r3-s7

Juniper Junos=18.1-r3-s8

Juniper Junos=18.2

Juniper Junos=18.2-r1

Juniper Junos=18.2-r1-s3

Juniper Junos=18.2-r1-s4

Juniper Junos=18.2-r1-s5

Juniper Junos=18.2-r2

Juniper Junos=18.2-r2-s1

Juniper Junos=18.2-r2-s2

Juniper Junos=18.2-r2-s3

Juniper Junos=18.2-r2-s4

Juniper Junos=18.2-r2-s5

Juniper Junos=18.2-r2-s6

Juniper Junos=18.2-r3

Juniper Junos=18.2-r3-s1

Juniper Junos=18.2-r3-s2

Juniper Junos=18.3

Juniper Junos=18.3-r1

Juniper Junos=18.3-r1-s1

Juniper Junos=18.3-r1-s2

Juniper Junos=18.3-r1-s3

Juniper Junos=18.3-r1-s5

Juniper Junos=18.3-r1-s6

Juniper Junos=18.3-r2

Juniper Junos=18.3-r2-s1

Juniper Junos=18.3-r2-s2

Juniper Junos=18.3-r2-s3

Juniper Junos=18.3-r3

Juniper Junos=18.4

Juniper Junos=18.4-r1

Juniper Junos=18.4-r1-s1

Juniper Junos=18.4-r1-s2

Juniper Junos=18.4-r1-s5

Juniper Junos=18.4-r1-s6

Juniper Junos=18.4-r2

Juniper Junos=18.4-r2-s1

Juniper Junos=18.4-r2-s2

Juniper Junos=18.4-r2-s3

Juniper Junos=19.1

Juniper Junos=19.1-r1

Juniper Junos=19.1-r1-s1

Juniper Junos=19.1-r1-s2

Juniper Junos=19.1-r1-s3

Juniper Junos=19.1-r1-s4

Juniper Junos=19.2

Juniper Junos=19.2-r1

Juniper Junos=19.2-r1-s1

Juniper Junos=19.3

Juniper Junos=19.3-r1

Juniper Junos=19.3-r1-s1

Remediation

Information

The following software releases have been updated to resolve this specific issue: 18.1R3-S9, 18.2R2-S7, 18.2R3-S3, 18.3R1-S7, 18.3R2-S4, 18.3R3-S1, 18.4R1-S7, 18.4R2-S4, 18.4R3, 19.1R1-S5, 19.1R2, 19.2R1-S2, 19.2R2, 19.3R2, 19.4R1, and all subsequent releases.

Event History

Jul 17, 2020

CVE Published

via MITRE·06:40 PM

Data Sourced

via MITRE·06:40 PM

RemedyDescriptionSeverityWeakness

Frequently Asked Questions

What is the severity of CVE-2020-1654?

CVE-2020-1654 is classified as a high severity vulnerability due to its potential to cause Denial of Service (DoS) or Remote Code Execution (RCE).

How do I fix CVE-2020-1654?

To fix CVE-2020-1654, you should update your Juniper Networks SRX Series devices to the latest patched version of the JUNOS operating system.

Which versions of Junos are affected by CVE-2020-1654?

CVE-2020-1654 affects specific versions of Junos, including 18.1, 18.2, 18.3, and 18.4 across various release iterations.

What kind of attack is associated with CVE-2020-1654?

CVE-2020-1654 enables attackers to exploit a malformed HTTP message, leading to possible Denial of Service or Remote Code Execution.

Can I mitigate CVE-2020-1654 without a patch?

While applying a patch is the recommended solution, temporarily restricting access to the ICAP redirect service may reduce exposure to the vulnerability.