Juniper Junos on SRX HTTPS Certificate Validator certificate validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.7 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in Juniper Junos on SRX (Router Operating System) (version now known). This vulnerability affects some unknown processing of the component HTTPS Certificate Validator. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Juniper Networks Junos OS on SRX series devices do not verify the HTTPS server certificate before downloading anti-virus updates. This may allow a man-in-the-middle attacker to inject bogus signatures to cause service disruptions or make the device not detect certain types of attacks. Affected Junos OS releases are: 12.1X46 prior to 12.1X46-D71; 12.3X48 prior to 12.3X48-D55; 15.1X49 prior to 15.1X49-D110;
The bug was discovered 10/11/2017. The weakness was presented 10/13/2017 (Website). The advisory is shared for download at kb.juniper.net. This vulnerability was named CVE-2017-10620 since 06/28/2017. The exploitation appears to be difficult. 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. The MITRE ATT&CK project declares the attack technique as T1587.003.
The vulnerability scanner Nessus provides a plugin with the ID 104041 (Juniper Junos HTTPS Server Certificate AV Vulnerability (JSA10822)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Junos Local Security Checks and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43613 (Juniper Junos Man-in-the-Middle Attack Vulnerability (JSA10822)).
Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (104041). See 107849, 107847 and 107846 for similar entries.
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CVSSv4
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CVSSv3
VulDB Meta Base Score: 6.8VulDB Meta Temp Score: 6.7
VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.4
NVD Vector: 🔍
CNA Base Score: 7.4
CNA Vector (Juniper Networks, Inc.): 🔍
CVSSv2
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Exploiting
Class: Certificate validationCWE: CWE-295 / CWE-287
ATT&CK: T1587.003
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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Nessus ID: 104041
Nessus Name: Juniper Junos HTTPS Server Certificate AV Vulnerability (JSA10822)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
06/28/2017 🔍10/11/2017 🔍
10/11/2017 🔍
10/13/2017 🔍
10/13/2017 🔍
10/14/2017 🔍
10/20/2017 🔍
01/03/2023 🔍
Sources
Vendor: juniper.netAdvisory: kb.juniper.net
Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-10620 (🔍)
See also: 🔍
Entry
Created: 10/14/2017 10:51Updated: 01/03/2023 14:28
Changes: 10/14/2017 10:51 (68), 06/04/2020 09:06 (3), 01/17/2021 06:52 (2), 01/03/2023 14:28 (12)
Complete: 🔍
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