Security restrictions bypass in Eclipse Jetty



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-9735
CWE-ID CWE-208
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Jetty
Server applications / Web servers

Vendor Eclipse

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Brute-force attack

EUVDB-ID: #VU9654

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-9735

CWE-ID: CWE-208 - Information Exposure Through Timing Discrepancy

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a brute-force attack.

The vulnerability exists due to a timing channel in util/security/Password.java, which allows a remote attacker to perform a brute-force attack by observing elapsed times before rejection of incorrect passwords.

Mitigation

Update to version 9.4.6.v20170531, 9.3.20.v20170531 or jetty-9.2.22.v20170606.

Vulnerable software versions

Jetty: 9.2.0.v20140526 - 9.4.5.v20170502

CPE2.3 External links

https://github.com/eclipse/jetty.project/issues/1556


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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