Multiple vulnerabilities in Apache Tomcat

Published: 2012-11-17 | Updated: 2023-06-15

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2012-5887 CVE-2012-5886
CWE-ID	CWE-287
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Apache Tomcat Server applications / Web servers
Vendor	Apache Foundation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Authentication

EUVDB-ID: #VU64540

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-5887

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to HTTP Digest Access Authentication implementation in Apache Tomcat does not properly check for stale nonce values in conjunction with enforcement of proper credentials. 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

External links

http://lists.opensuse.org/opensuse-updates/2012-12/msg00089.html
http://lists.opensuse.org/opensuse-updates/2012-12/msg00090.html
http://lists.opensuse.org/opensuse-updates/2013-01/msg00037.html
http://rhn.redhat.com/errata/RHSA-2013-0623.html
http://rhn.redhat.com/errata/RHSA-2013-0629.html
http://rhn.redhat.com/errata/RHSA-2013-0631.html
http://rhn.redhat.com/errata/RHSA-2013-0632.html
http://rhn.redhat.com/errata/RHSA-2013-0633.html
http://rhn.redhat.com/errata/RHSA-2013-0640.html
http://rhn.redhat.com/errata/RHSA-2013-0647.html
http://rhn.redhat.com/errata/RHSA-2013-0648.html
http://rhn.redhat.com/errata/RHSA-2013-0726.html
http://secunia.com/advisories/51371
http://svn.apache.org/viewvc?view=revision&revision=1377807
http://svn.apache.org/viewvc?view=revision&revision=1380829
http://svn.apache.org/viewvc?view=revision&revision=1392248
http://tomcat.apache.org/security-5.html
http://tomcat.apache.org/security-6.html
http://tomcat.apache.org/security-7.html
http://www.securityfocus.com/bid/56403
http://www.ubuntu.com/usn/USN-1637-1
http://www-01.ibm.com/support/docview.wss?uid=swg21626891
http://exchange.xforce.ibmcloud.com/vulnerabilities/79809

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) Improper Authentication

EUVDB-ID: #VU64538