Multiple vulnerabilities in Nomad



Risk Medium
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2024-24783
CVE-2023-45290
CVE-2024-24785
CVE-2024-24786
CWE-ID CWE-388
CWE-400
CWE-79
CWE-835
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Nomad
Server applications / Virtualization software

Vendor HashiCorp

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Error Handling

EUVDB-ID: #VU87196

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-24783

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists in crypto/x509 due to improper validation of a certificate chain that contains an unknown public key. A remote attacker can pass a specially crafted certificate to the application and perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Nomad: 1.5.0 - 1.7.5

CPE2.3 External links

https://github.com/hashicorp/nomad/releases/tag/v1.6.9
https://github.com/hashicorp/nomad/releases/tag/v1.5.16


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Resource exhaustion

EUVDB-ID: #VU87197

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-45290

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists in net/http due to application does not properly control consumption of internal resources when parsing a multipart form (either explicitly with Request.ParseMultipartForm or implicitly with Request.FormValue, Request.PostFormValue, or Request.FormFile). A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Nomad: 1.5.0 - 1.7.5

CPE2.3 External links

https://github.com/hashicorp/nomad/releases/tag/v1.6.9
https://github.com/hashicorp/nomad/releases/tag/v1.5.16


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Cross-site scripting

EUVDB-ID: #VU87200

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-24785

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in html/template when parsing errors returned from MarshalJSON methods. A remote attacker can execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Nomad: 1.5.0 - 1.7.5

CPE2.3 External links

https://github.com/hashicorp/nomad/releases/tag/v1.6.9
https://github.com/hashicorp/nomad/releases/tag/v1.5.16


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Infinite loop

EUVDB-ID: #VU87326

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-24786

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop when parsing data in an invalid JSON format within the protojson.Unmarshal() function. A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Nomad: 1.5.0 - 1.7.5

CPE2.3 External links

https://github.com/hashicorp/nomad/releases/tag/v1.6.9
https://github.com/hashicorp/nomad/releases/tag/v1.5.16


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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