Input validation error in Fedoraproject Fedora

1) Input validation error

EUVDB-ID: #VU40089

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-2016-3110

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

mod_cluster, as used in Red Hat JBoss Web Server 2.1, allows remote attackers to cause a denial of service (Apache http server crash) via an MCMP message containing a series of = (equals) characters after a legitimate element.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Fedora: 28 - 30

CPE2.3

• cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*

External links

https://rhn.redhat.com/errata/RHSA-2016-1648.html
https://rhn.redhat.com/errata/RHSA-2016-1649.html
https://rhn.redhat.com/errata/RHSA-2016-1650.html
https://rhn.redhat.com/errata/RHSA-2016-2054.html
https://rhn.redhat.com/errata/RHSA-2016-2055.html
https://rhn.redhat.com/errata/RHSA-2016-2056.html
https://www.securityfocus.com/bid/92584
https://bugzilla.redhat.com/show_bug.cgi?id=1326320
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6JMA2YLPK6SEUVF5Q3QEANHYEPRZA2RI/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CX5QNNIVAUB2VVDV6TR3YMFTL6VRKOBO/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HE5YZTBZRXCMQFT5LDLZG2HAYBKMYQLL/

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.