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| author |   Aaron Bauman <bman@gentoo.org> | 2017-01-11 21:48:41 +0900 |
|---|---|---|
| committer | Aaron Bauman <bman@gentoo.org> | 2017-01-11 21:48:41 +0900 |
| commit | 70473a34dcf364c1f2abfb00173d18c4b2ef2f9f (patch) | |
| tree | 24de86dce1a66da45b126284596ff732a35e0cac /glsa-201701-30.xml | |
| parent | Add GLSA 201701-29 (diff) | |
| download | glsa-70473a34dcf364c1f2abfb00173d18c4b2ef2f9f.tar.gz glsa-70473a34dcf364c1f2abfb00173d18c4b2ef2f9f.tar.bz2 glsa-70473a34dcf364c1f2abfb00173d18c4b2ef2f9f.zip | |
Add GLSA 201701-30
Diffstat (limited to 'glsa-201701-30.xml')
| -rw-r--r-- | glsa-201701-30.xml | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/glsa-201701-30.xml b/glsa-201701-30.xml new file mode 100644 index 00000000..f157c7d8 --- /dev/null +++ b/glsa-201701-30.xml @@ -0,0 +1,54 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="201701-30"> + <title>vzctl: Security bypass</title> + <synopsis>A vulnerability in vzctl might allow attackers to gain control over + ploop containers. + </synopsis> + <product type="ebuild">vzctl</product> + <announced>January 11, 2017</announced> + <revised>January 11, 2017: 1</revised> + <bug>560522</bug> + <access>local, remote</access> + <affected> + <package name="sys-cluster/vzctl" auto="yes" arch="*"> + <unaffected range="ge">4.9.4</unaffected> + <vulnerable range="lt">4.9.4</vulnerable> + </package> + </affected> + <background> + <p>vzctl is a set of control tools for the OpenVZ server virtualization + solution. + </p> + </background> + <description> + <p>It was discovered that vzctl determined the virtual environment (VE) + layout based on the presence of root.hdd/DiskDescriptor.xml in the VE + private directory. This allows local simfs container (CT) root users to + change the root password for arbitrary ploop containers. This is + demonstrated by a symlink attack on the ploop container root.hdd file + which can then be used to access a control panel. + </p> + </description> + <impact type="normal"> + <p>An attacker with root privileges, in a simfs-based container, could gain + control over ploop-based containers. + </p> + </impact> + <workaround> + <p>There is no known workaround at this time.</p> + </workaround> + <resolution> + <p>All vzctl users should upgrade to the latest version:</p> + + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=sys-cluster/vzctl-4.9.4" + </code> + </resolution> + <references> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-6927">CVE-2015-6927</uri> + </references> + <metadata tag="requester" timestamp="Tue, 10 Jan 2017 16:32:14 +0000">whissi</metadata> + <metadata tag="submitter" timestamp="Wed, 11 Jan 2017 12:39:20 +0000">whissi</metadata> +</glsa> |