#VU93357 Cryptographic issues in Jetty - CVE-2011-4461

Vulnerability identifier: #VU93357

Vulnerability risk: Low

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

CVE-ID: CVE-2011-4461

CWE-ID: CWE-310

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Jetty
Server applications / Web servers

Vendor: Eclipse

Description

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

The vulnerability exists due to Jetty computes hash values for form parameters without restricting the ability to trigger hash collisions predictably. A remote attacker can cause a denial of service (CPU consumption) by sending many crafted parameters.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Jetty: All versions

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External links
https://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
https://marc.info/?l=bugtraq&m=143387688830075&w=2
https://secunia.com/advisories/47408
https://secunia.com/advisories/48981
https://www.kb.cert.org/vuls/id/903934
https://www.nruns.com/_downloads/advisory28122011.pdf
https://www.ocert.org/advisories/ocert-2011-003.html
https://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
https://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
https://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
https://www.securitytracker.com/id?1026475
https://www.ubuntu.com/usn/USN-1429-1
https://exchange.xforce.ibmcloud.com/vulnerabilities/72017
https://security.netapp.com/advisory/ntap-20190307-0004/

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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.