#VU84617 Resource exhaustion in python-eventlet (Red Hat package) - CVE-2023-5625

Vulnerability identifier: #VU84617

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-5625

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
python-eventlet (Red Hat package)
Operating systems & Components / Operating system package or component

Vendor: Red Hat Inc.

Description

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

The vulnerability exists due to a missing patch for #VU56244 (CVE-2021-21419). A remote attacker can trigger resource exhaustion by sending highly compressed data frame and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

python-eventlet (Red Hat package): before 0.30.2-4.el9

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=2244717
http://access.redhat.com/errata/RHSA-2023:6128
http://access.redhat.com/security/cve/CVE-2023-5625

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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.