#VU87934 Integer overflow in Azure AMQP library for C - CVE-2024-21646

Vulnerability identifier: #VU87934

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-21646

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Azure AMQP library for C
Universal components / Libraries / Programming Languages & Components

Vendor: Microsoft

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow. A remote user can pass specially crafted data to the application, trigger an integer overflow and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Azure AMQP library for C: before 2024-01-01

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External links
https://github.com/Azure/azure-uamqp-c/security/advisories/GHSA-j29m-p99g-7hpv
https://github.com/Azure/azure-uamqp-c/commit/12ddb3a31a5a97f55b06fa5d74c59a1d84ad78fe

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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