Red Hat update for eap7-jboss-ec2-eap

1) Improper input validation

EUVDB-ID: #VU6611

Risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-9606

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to execute arbitrary code on the target system.

The weakness exists due to improper parsing of user-supplied requests. A remote attacker can submit a specially crafted request, which when parsed by the YamlProvider feature of the affected application allows to execute arbitrary code with the permissions of the application using RESTEasy.

Successful exploitation of the vulnerability may result in full system compromise.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

JBoss Enterprise Application Platform: 7.0

External links

http://access.redhat.com/errata/RHSA-2017:1412

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.

2) Path traversal

EUVDB-ID: #VU7202

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-2595

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote authenticated attacker to obtain potentially sensitive information.

The weakness exists due to path traversal flaw in the log file viewer. A remote attacker can send specially crafted data and read arbitrary files on the system.

Successful exploitation of the vulnerability results in information disclosure.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

JBoss Enterprise Application Platform: 7.0

External links

http://access.redhat.com/errata/RHSA-2017:1412

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

3) HTTP response splitting

EUVDB-ID: #VU7548

Risk: Medium

CVSSv3.1: 7.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-2666

CWE-ID: CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a phishing attack

The vulnerability exists due to an error when processing headers in HTTP requests in Undertow. A remote attacker can create a specially crafted HTTP request, split the HTTP response from server and poison the web cache. 

Successful exploitation of the vulnerability may allow an attacker to poison web cache and perform phishing or XSS attacks against website visitors.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

JBoss Enterprise Application Platform: 7.0

External links

http://access.redhat.com/errata/RHSA-2017:1412

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.

4) Denial of service

EUVDB-ID: #VU7547

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: CVE-2017-2670

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to an error when closing TCP sockets in Undertow. A remote attacker can create and close multiple TCP connections, which my result in infinite loop and server crash.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

JBoss Enterprise Application Platform: 7.0

External links

http://access.redhat.com/errata/RHSA-2017:1412

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.