Multiple vulnerabilities in Apache Tomcat

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU64536

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-5885

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass intended access restrictions.

The vulnerability exists due to replay-countermeasure functionality in the HTTP Digest Access Authentication implementation in Apache Tomcat tracks cnonce (aka client nonce) values instead of nonce (aka server nonce) and nc (aka nonce-count) values. A remote attacker can bypass intended access restrictions by sniffing the network for valid requests

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Tomcat: 5.5 - 7.0.29

CPE2.3

• cpe:2.3:a:apache_foundation:apache_tomcat:5.5:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:6.0.35:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:7.0.29:*:*:*:*:*:*:*

External links

https://lists.opensuse.org/opensuse-updates/2012-12/msg00089.html
https://lists.opensuse.org/opensuse-updates/2012-12/msg00090.html
https://lists.opensuse.org/opensuse-updates/2013-01/msg00037.html
https://marc.info/?l=bugtraq&m=136485229118404&w=2
https://marc.info/?l=bugtraq&m=136612293908376&w=2
https://rhn.redhat.com/errata/RHSA-2013-0623.html
https://rhn.redhat.com/errata/RHSA-2013-0629.html
https://rhn.redhat.com/errata/RHSA-2013-0631.html
https://rhn.redhat.com/errata/RHSA-2013-0632.html
https://rhn.redhat.com/errata/RHSA-2013-0633.html
https://rhn.redhat.com/errata/RHSA-2013-0640.html
https://rhn.redhat.com/errata/RHSA-2013-0647.html
https://rhn.redhat.com/errata/RHSA-2013-0648.html
https://rhn.redhat.com/errata/RHSA-2013-0726.html
https://secunia.com/advisories/51371
https://svn.apache.org/viewvc?view=revision&revision=1377807
https://svn.apache.org/viewvc?view=revision&revision=1380829
https://svn.apache.org/viewvc?view=revision&revision=1392248
https://tomcat.apache.org/security-5.html
https://tomcat.apache.org/security-6.html
https://tomcat.apache.org/security-7.html
https://www.securityfocus.com/bid/56403
https://www.ubuntu.com/usn/USN-1637-1
https://www-01.ibm.com/support/docview.wss?uid=swg21626891
https://exchange.xforce.ibmcloud.com/vulnerabilities/80408
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19432

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

2) Input validation error

EUVDB-ID: #VU64510

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-3544

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack by streaming data.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Tomcat: 6.0.0 - 7.0.29

CPE2.3

• cpe:2.3:a:apache_foundation:apache_tomcat:6.0.36:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:7.0.29:*:*:*:*:*:*:*

External links

https://archives.neohapsis.com/archives/bugtraq/2013-05/0042.html
https://seclists.org/fulldisclosure/2014/Dec/23
https://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/java/org/apache/coyote/http11/filters/ChunkedInputFilter.java?r1=1476592&r2=1476591&pathrev=1476592
https://svn.apache.org/viewvc?view=revision&revision=1378702
https://svn.apache.org/viewvc?view=revision&revision=1378921
https://svn.apache.org/viewvc?view=revision&revision=1476592
https://tomcat.apache.org/security-6.html
https://tomcat.apache.org/security-7.html
https://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.html
https://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html
https://www.securityfocus.com/archive/1/534161/100/0/threaded
https://www.securityfocus.com/bid/59797
https://www.securityfocus.com/bid/64758
https://www.ubuntu.com/usn/USN-1841-1
https://www.vmware.com/security/advisories/VMSA-2014-0012.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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