Remote denial of service in Eclipse Jetty



| Updated: 2023-10-12
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-36478
CWE-ID CWE-190
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Jetty
Server applications / Web servers

Vendor Eclipse

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Integer overflow

EUVDB-ID: #VU81726

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-2023-36478

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow in MetaDataBuilder.checkSize when handling HTTP/2 HPACK header values. A remote attacker can send specially crafted request to the server, trigger an integer overflow and crash the server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Jetty: 9.4.0.v20161207 - 11.0.15

CPE2.3 External links

https://github.com/eclipse/jetty.project/security/advisories/GHSA-wgh7-54f2-x98r
https://github.com/jetty/jetty.project/security/advisories/GHSA-wgh7-54f2-x98r


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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