Vulnerability identifier: #VU58177
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-400
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Undertow
Server applications /
Web servers
Vendor: Red Hat Inc.
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to Undertow does not properly control consumption of internal resources when processing HTTP/2 requests. A remote attacker can send specially crafted HTTP/2 requests to the web server, trigger resource exhaustion and perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Undertow: 2.0.0 - 2.2.10
External links
http://bugzilla.redhat.com/show_bug.cgi?id=1977362
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.