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Bug 1362545 (CVE-2016-5425)
Summary: | CVE-2016-5425 tomcat: Local privilege escalation via systemd-tmpfiles service | ||
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Product: | [Other] Security Response | Reporter: | Adam Mariš <amaris> |
Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
Status: | CLOSED ERRATA | QA Contact: | |
Severity: | high | Docs Contact: | |
Priority: | high | ||
Version: | unspecified | CC: | aileenc, asantos, aszczucz, bbaranow, bdawidow, bmaxwell, ccoleman, cdewolf, chazlett, csutherl, dandread, darran.lofthouse, dedgar, dmcphers, dosoudil, felias, fnasser, gvarsami, hfnukal, hhorak, jason.greene, jawilson, jclere, jcoleman, jdoyle, jgoulding, jialiu, joelsmith, jokerman, jolee, jorton, jpallich, jshepherd, kanderso, kconner, ldimaggi, lgao, lmeyer, mbabacek, mbaluch, miburman, mizdebsk, mmccomas, mnewsome, mschmidt, mweiler, myarboro, netwiz, nobody+bgollahe, nwallace, ohudlick, pavelp, pgier, psakar, pslavice, rnetuka, rsvoboda, rwagner, rzima, security-response-team, spinder, tcunning, theute, tkirby, ttarrant, twalsh, vhalbert, vtunka, weli |
Target Milestone: | --- | Keywords: | Security |
Target Release: | --- | ||
Hardware: | All | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | If docs needed, set a value | |
Doc Text: |
It was discovered that the Tomcat packages installed configuration file /usr/lib/tmpfiles.d/tomcat.conf writeable to the tomcat group. A member of the group or a malicious web application deployed on Tomcat could use this flaw to escalate their privileges.
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Story Points: | --- |
Clone Of: | Environment: | ||
Last Closed: | 2016-10-10 20:44:16 UTC | Type: | --- |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: | |||
Bug Depends On: | 1362567, 1362568, 1383210 | ||
Bug Blocks: |
Description
Adam Mariš
2016-08-02 13:16:44 UTC
Acknowledgments: Name: Dawid Golunski (http://legalhackers.com) Created tomcat tracking bugs for this issue: Affects: fedora-all [bug 1383210] Public via: http://seclists.org/oss-sec/2016/q4/78 Out of interest, would SELinux policy prevent the tomcat user from writing to this file anyway? I'm afraid it won't. Query the SELinux policy: $ sesearch --allow -s tomcat_t -t lib_t -c file -p write Found 1 semantic av rules: allow files_unconfined_type file_type : file { [...] write [...] } ; It appears tomcat_t has the files_unconfined_type attribute, which means the SELinux policy puts very little restrictions on it. This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2016:2046 https://rhn.redhat.com/errata/RHSA-2016-2046.html |