bugtraq - [SECURITY] CVE-2016-0763 Apache Tomcat Security Manager Bypass

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date: Mon, 22 Feb 2016 11:23:30 +0000
From: Mark Thomas <markt@...che.org>
To: "users@...cat.apache.org" <users@...cat.apache.org>
Cc: announce@...che.org,
  "announce@...cat.apache.org" <announce@...cat.apache.org>,
  "dev@...cat.apache.org" <dev@...cat.apache.org>,
  full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: [SECURITY] CVE-2016-0763 Apache Tomcat Security Manager Bypass

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

CVE-2016-0763 Apache Tomcat Security Manager Bypass

Severity: Moderate

Vendor: The Apache Software Foundation

Versions Affected:
- - Apache Tomcat 7.0.0 to 7.0.67
- - Apache Tomcat 8.0.0.RC1 to 8.0.30
- - Apache Tomcat 9.0.0.M1 to 9.0.0.M2

Description:
ResourceLinkFactory.setGlobalContext() is a public method and was
accessible by web applications running under a security manager
without any checks. This allowed a malicious web application to inject
a malicious global context that could in turn be used to disrupt other
web applications and/or read and write data owned by other web
applications.

Mitigation:
Users of affected versions should apply one of the following mitigations
- - Upgrade to Apache Tomcat 9.0.0.M3 or later
- - Upgrade to Apache Tomcat 8.0.32 or later
  (8.0.31 has the fix but was not released)
- - Upgrade to Apache Tomcat 7.0.68 or later
- - Upgrade to Apache Tomcat 6.0.45 or later


Credit:
This issue was discovered by The Apache Tomcat Security Team.

References:
[1] http://tomcat.apache.org/security-9.html
[2] http://tomcat.apache.org/security-8.html
[3] http://tomcat.apache.org/security-7.html
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
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=5LII
-----END PGP SIGNATURE-----