Bug 1209631 (CVE-2015-1821)
Summary: | CVE-2015-1821 chrony: Heap out of bound write in address filter | ||
---|---|---|---|
Product: | [Other] Security Response | Reporter: | Kurt Seifried <kseifried> |
Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
Status: | CLOSED ERRATA | QA Contact: | |
Severity: | medium | Docs Contact: | |
Priority: | medium | ||
Version: | unspecified | CC: | jrusnack, mlichvar |
Target Milestone: | --- | Keywords: | Security |
Target Release: | --- | ||
Hardware: | All | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | Bug Fix | |
Doc Text: |
An out-of-bounds write flaw was found in the way Chrony stored certain addresses when configuring NTP or cmdmon access. An attacker that has the command key and is allowed to access cmdmon (only localhost is allowed by default) could use this flaw to crash chronyd or, possibly, execute arbitrary code with the privileges of the chronyd process.
|
Story Points: | --- |
Clone Of: | Environment: | ||
Last Closed: | 2015-11-20 05:27:26 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: | 1209633, 1209634, 1221579 | ||
Bug Blocks: | 1200382, 1210268 |
Description
Kurt Seifried
2015-04-07 20:45:21 UTC
Acknowledgements: This issue was discovered by Miroslav Lichvár of Red Hat. Created chrony tracking bugs for this issue: Affects: epel-all [bug 1209633] Created chrony tracking bugs for this issue: Affects: fedora-all [bug 1209634] This issue was fixed upstream: http://chrony.tuxfamily.org/News.html The updated version is available at: http://download.tuxfamily.org/chrony/chrony-1.31.1.tar.gz chrony-2.0-0.3.pre2.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report. chrony-1.31.1-1.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report. chrony-1.31.1-1.el6 has been pushed to the Fedora EPEL 6 stable repository. If problems still persist, please make note of it in this bug report. chrony-1.31.1-1.el5 has been pushed to the Fedora EPEL 5 stable repository. If problems still persist, please make note of it in this bug report. chrony-1.31.1-1.fc20 has been pushed to the Fedora 20 stable repository. If problems still persist, please make note of it in this bug report. This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2015:2241 https://rhn.redhat.com/errata/RHSA-2015-2241.html |