#VU18314 Infinite loop in OpenWSMAN - CVE-2019-3833

Vulnerability identifier: #VU18314

Vulnerability 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-2019-3833

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenWSMAN
Web applications / Remote management & hosting panels

Vendor: Openwsman

Description

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

The vulnerability exists due to infinite loop within the process_connection() function when processing HTTP requests. A remote attacker can send a specially crafted HTTP request to the affected server and consume all available system resources and cause denial of service conditions.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

OpenWSMAN: 2.2.3.final - 2.6.9

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External links
https://bugzilla.suse.com/show_bug.cgi?id=1122623
https://lists.opensuse.org/opensuse-security-announce/2019-04/msg00006.html
https://lists.opensuse.org/opensuse-security-announce/2019-04/msg00065.html
https://www.securityfocus.com/bid/107367
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3833
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2V5HJ355RSKMFQ7GRJAHRZNDVXASF7TA/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B2HEZ7D7GF3HDF36JLGYXIK5URR66DS4/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CXQP7UDPRZIZ4LM7FEJCTC2EDUYVOR2J/

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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.