Amazon Linux AMI update for tomcat7

1) Open redirect

EUVDB-ID: #VU15156

Risk: Low

CVSSv3.1: 2.8 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-11784

CWE-ID: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to redirect victims to arbitrary URI.

The vulnerability exists due to improper sanitization of user-supplied data. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary URI.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.

Mitigation

Update the affected packages.

noarch:
    tomcat7-7.0.91-1.34.amzn1.noarch
    tomcat7-docs-webapp-7.0.91-1.34.amzn1.noarch
    tomcat7-log4j-7.0.91-1.34.amzn1.noarch
    tomcat7-admin-webapps-7.0.91-1.34.amzn1.noarch
    tomcat7-jsp-2.2-api-7.0.91-1.34.amzn1.noarch
    tomcat7-webapps-7.0.91-1.34.amzn1.noarch
    tomcat7-lib-7.0.91-1.34.amzn1.noarch
    tomcat7-el-2.2-api-7.0.91-1.34.amzn1.noarch
    tomcat7-javadoc-7.0.91-1.34.amzn1.noarch
    tomcat7-servlet-3.0-api-7.0.91-1.34.amzn1.noarch

src:
    tomcat7-7.0.91-1.34.amzn1.src

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2018-1099.html

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. However, proof of concept for this vulnerability is available.