Trustwave Secure Web Gateway up to 11.8.0.27 SSH Key /sendKey publicKey key management

Summaryinfo

A vulnerability categorized as critical has been discovered in Trustwave Secure Web Gateway up to 11.8.0.27. Affected by this vulnerability is an unknown functionality of the file /sendKey of the component SSH Key Handler. The manipulation of the argument publicKey as part of Parameter results in key management. This vulnerability is known as CVE-2017-18001. It is possible to launch the attack remotely. Furthermore, an exploit is available. Applying restrictive firewalling is recommended.

Detailsinfo

A vulnerability was found in Trustwave Secure Web Gateway up to 11.8.0.27 (Firewall Software). It has been classified as very critical. Affected is an unknown functionality of the file /sendKey of the component SSH Key Handler. The manipulation of the argument publicKey as part of a Parameter leads to a key management vulnerability. CWE is classifying the issue as CWE-320. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Trustwave Secure Web Gateway (SWG) through 11.8.0.27 allows remote attackers to append an arbitrary public key to the device's SSH Authorized Keys data, and consequently obtain remote root access, via the publicKey parameter to the /sendKey URI.

The bug was discovered 12/26/2017. The weakness was published 12/31/2017 (Website). The advisory is available at seclists.org. This vulnerability is traded as CVE-2017-18001 since 12/31/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/02/2025). This vulnerability is assigned to T1600.001 by the MITRE ATT&CK project.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k.

It is possible to mitigate the weakness by firewalling .

The vulnerability is also documented in the vulnerability database at Exploit-DB (44047). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Firewall Software

Vendor

• Trustwave

Name

• Secure Web Gateway

Version

• 11.8.0.0
• 11.8.0.1
• 11.8.0.2
• 11.8.0.3
• 11.8.0.4
• 11.8.0.5
• 11.8.0.6
• 11.8.0.7
• 11.8.0.8
• 11.8.0.9
• 11.8.0.10
• 11.8.0.11
• 11.8.0.12
• 11.8.0.13
• 11.8.0.14
• 11.8.0.15
• 11.8.0.16
• 11.8.0.17
• 11.8.0.18
• 11.8.0.19
• 11.8.0.20
• 11.8.0.21
• 11.8.0.22
• 11.8.0.23
• 11.8.0.24
• 11.8.0.25
• 11.8.0.26
• 11.8.0.27

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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