CentOS Update for tomcat6 CESA-2013:0623 centos6

Published: 2013-03-15 04:22:48
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N

Summary:
The remote host is missing an update for the 'tomcat6' Linux Distribution Package(s) announced via the referenced advisory.

Affected Versions:
tomcat6 on CentOS 6

Recommendations:
Please install the updated Linux Distribution Packages.

Technical Details:
Apache Tomcat is a servlet container. It was found that when an application used FORM authentication, along with another component that calls request.setUserPrincipal() before the call to FormAuthenticator#authenticate() (such as the Single-Sign-On valve), it was possible to bypass the security constraint checks in the FORM authenticator by appending _security_check to the end of a URL. A remote attacker with an authenticated session on an affected application could use this flaw to circumvent authorization controls, and thereby access resources not permitted by the roles associated with their authenticated session. (CVE-2012-3546) A flaw was found in the way Tomcat handled sendfile operations when using the HTTP NIO (Non-Blocking I/O) connector and HTTPS. A remote attacker could use this flaw to cause a denial of service (infinite loop). The HTTP blocking IO (BIO) connector, which is not vulnerable to this issue, is used by default in Red Hat Enterprise Linux 6. (CVE-2012-4534) Multiple weaknesses were found in the Tomcat DIGEST authentication implementation, effectively reducing the security normally provided by DIGEST authentication. A remote attacker could use these flaws to perform replay attacks in some circumstances. (CVE-2012-5885, CVE-2012-5886, CVE-2012-5887) Users of Tomcat should upgrade to these updated Linux Distribution Packages, which correct these issues. Tomcat must be restarted for this update to take effect.

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2012-3546
https://nvd.nist.gov/vuln/detail/CVE-2012-4534
https://nvd.nist.gov/vuln/detail/CVE-2012-5885
https://nvd.nist.gov/vuln/detail/CVE-2012-5886
https://nvd.nist.gov/vuln/detail/CVE-2012-5887

References:

http://lists.centos.org/pipermail/centos-announce/2013-March/019640.html

Severity
Medium
CVSS Score
5.0
Published
2013-03-15
Modified
2019-03-15
Category
CentOS Local Security Checks

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