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Diffstat (limited to 'metadata/glsa/glsa-201701-22.xml')
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1 files changed, 58 insertions, 0 deletions
diff --git a/metadata/glsa/glsa-201701-22.xml b/metadata/glsa/glsa-201701-22.xml new file mode 100644 index 000000000000..150ddf5af5be --- /dev/null +++ b/metadata/glsa/glsa-201701-22.xml @@ -0,0 +1,58 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="201701-22"> + <title>NGINX: Privilege escalation</title> + <synopsis>Gentoo's NGINX ebuilds are vulnerable to privilege escalation due + to the way log files are handled. + </synopsis> + <product type="ebuild">nginx</product> + <announced>2017-01-11</announced> + <revised count="1">2017-01-11</revised> + <bug>605008</bug> + <access>local</access> + <affected> + <package name="www-servers/nginx" auto="yes" arch="*"> + <unaffected range="ge">1.10.2-r3</unaffected> + <vulnerable range="lt">1.10.2-r3</vulnerable> + </package> + </affected> + <background> + <p>nginx is a robust, small, and high performance HTTP and reverse proxy + server. + </p> + </background> + <description> + <p>It was discovered that Gentoo’s default NGINX installation applied + similar problematic permissions on “/var/log/nginx” as Debian + (DSA-3701) and is therefore vulnerable to the same attack described in + CVE-2016-1247. + </p> + </description> + <impact type="normal"> + <p>A local attacker, who either is already NGINX’s system user or belongs + to NGINX’s group, could potentially escalate privileges. + </p> + </impact> + <workaround> + <p>Ensure that no untrusted user can create files in directories which are + used by NGINX (or an NGINX vhost) to store log files. + </p> + </workaround> + <resolution> + <p>All NGINX users should upgrade to the latest ebuild revision:</p> + + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=www-servers/nginx-1.10.2-r3" + </code> + </resolution> + <references> + <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1247">CVE-2016-1247</uri> + <uri link="https://www.debian.org/security/2016/dsa-3701">DSA-3701</uri> + <uri link="https://legalhackers.com/advisories/Nginx-Exploit-Deb-Root-PrivEsc-CVE-2016-1247.html"> + Technical analysis + </uri> + </references> + <metadata tag="requester" timestamp="2017-01-10T15:37:19Z">whissi</metadata> + <metadata tag="submitter" timestamp="2017-01-11T12:18:42Z">whissi</metadata> +</glsa> |