Amazon Linux AMI update for tomcat80



Published: 2018-03-21
Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2017-15706
CVE-2018-1304
CVE-2018-1305
CWE-ID CWE-254
CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Amazon Linux AMI
Operating systems & Components / Operating system

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Security features

EUVDB-ID: #VU12274

Risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-15706

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to write arbitrary files on the target system.

The weakness exists due to some scripts may have failed to execute as expected and other scripts may have been executed unexpectedly. A remote attacker can write arbitrary files.

Mitigation

Update the affected packages.

noarch:
    tomcat80-servlet-3.1-api-8.0.50-1.79.amzn1.noarch
    tomcat80-lib-8.0.50-1.79.amzn1.noarch
    tomcat80-8.0.50-1.79.amzn1.noarch
    tomcat80-jsp-2.3-api-8.0.50-1.79.amzn1.noarch
    tomcat80-el-3.0-api-8.0.50-1.79.amzn1.noarch
    tomcat80-webapps-8.0.50-1.79.amzn1.noarch
    tomcat80-docs-webapp-8.0.50-1.79.amzn1.noarch
    tomcat80-javadoc-8.0.50-1.79.amzn1.noarch
    tomcat80-log4j-8.0.50-1.79.amzn1.noarch
    tomcat80-admin-webapps-8.0.50-1.79.amzn1.noarch

src:
    tomcat80-8.0.50-1.79.amzn1.src

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2018-973.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.

2) Security restrictions bypass

EUVDB-ID: #VU10707

Risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1304

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to the URL pattern of "" (the empty string) which exactly maps to the context root was not correctly handled when used as part of a security constraint definition. A remote attacker can supply a specially crafted URL, bypass security restrictions and gain unauthorised access to web application resources.

Mitigation

Update the affected packages.

noarch:
    tomcat80-servlet-3.1-api-8.0.50-1.79.amzn1.noarch
    tomcat80-lib-8.0.50-1.79.amzn1.noarch
    tomcat80-8.0.50-1.79.amzn1.noarch
    tomcat80-jsp-2.3-api-8.0.50-1.79.amzn1.noarch
    tomcat80-el-3.0-api-8.0.50-1.79.amzn1.noarch
    tomcat80-webapps-8.0.50-1.79.amzn1.noarch
    tomcat80-docs-webapp-8.0.50-1.79.amzn1.noarch
    tomcat80-javadoc-8.0.50-1.79.amzn1.noarch
    tomcat80-log4j-8.0.50-1.79.amzn1.noarch
    tomcat80-admin-webapps-8.0.50-1.79.amzn1.noarch

src:
    tomcat80-8.0.50-1.79.amzn1.src

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2018-973.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.

3) Security restrictions bypass

EUVDB-ID: #VU10706

Risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1305

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to security constraints defined by annotations of Servlets are only applied once a Servlet had been loaded. A remote attacker can supply a specially crafted URL pattern and any URLs below that point, bypass security restrictions and gain unauthorised access to arbitrary resources.

Mitigation

Update the affected packages.

noarch:
    tomcat80-servlet-3.1-api-8.0.50-1.79.amzn1.noarch
    tomcat80-lib-8.0.50-1.79.amzn1.noarch
    tomcat80-8.0.50-1.79.amzn1.noarch
    tomcat80-jsp-2.3-api-8.0.50-1.79.amzn1.noarch
    tomcat80-el-3.0-api-8.0.50-1.79.amzn1.noarch
    tomcat80-webapps-8.0.50-1.79.amzn1.noarch
    tomcat80-docs-webapp-8.0.50-1.79.amzn1.noarch
    tomcat80-javadoc-8.0.50-1.79.amzn1.noarch
    tomcat80-log4j-8.0.50-1.79.amzn1.noarch
    tomcat80-admin-webapps-8.0.50-1.79.amzn1.noarch

src:
    tomcat80-8.0.50-1.79.amzn1.src

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2018-973.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.



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