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author | 2017-05-30 17:20:25 +0200 | |
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committer | 2017-05-30 17:20:25 +0200 | |
commit | 742dfe25646ca49d62bb5f6452a3600f934c798d (patch) | |
tree | bcda164a91e58b74bb3d1524cbc4e6aab0e9dad4 /glsa-201705-15.xml | |
parent | Fix GLSA 201705-14 (diff) | |
download | glsa-742dfe25646ca49d62bb5f6452a3600f934c798d.tar.gz glsa-742dfe25646ca49d62bb5f6452a3600f934c798d.tar.bz2 glsa-742dfe25646ca49d62bb5f6452a3600f934c798d.zip |
Add GLSA 201705-15
Diffstat (limited to 'glsa-201705-15.xml')
-rw-r--r-- | glsa-201705-15.xml | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/glsa-201705-15.xml b/glsa-201705-15.xml new file mode 100644 index 00000000..688fe87c --- /dev/null +++ b/glsa-201705-15.xml @@ -0,0 +1,57 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="201705-15"> + <title>sudo: Privilege escalation</title> + <synopsis>A vulnerability in sudo allows local users to gain root privileges.</synopsis> + <product type="ebuild">sudo,privilege</product> + <announced>2017-05-30</announced> + <revised>2017-05-30: 1</revised> + <bug>620182</bug> + <access>local</access> + <affected> + <package name="app-admin/sudo" auto="yes" arch="*"> + <unaffected range="ge">1.8.20_p1</unaffected> + <vulnerable range="lt">1.8.20_p1</vulnerable> + </package> + </affected> + <background> + <p>sudo (su “do”) allows a system administrator to delegate authority + to give certain users (or groups of users) the ability to run some (or + all) commands as root or another user while providing an audit trail of + the commands and their arguments. + </p> + </background> + <description> + <p>Qualys discovered a vulnerability in sudo’s get_process_ttyname() for + Linux, that via sudo_ttyname_scan() can be directed to use a + user-controlled, arbitrary tty device during its traversal of “/dev” + by utilizing the world-writable /dev/shm. + </p> + </description> + <impact type="high"> + <p>A local attacker can pretend that his tty is any character device on the + filesystem, and after two race conditions, an attacker can pretend that + the controlled tty is any file on the filesystem allowing for privilege + escalation + </p> + </impact> + <workaround> + <p>There is no known workaround at this time.</p> + </workaround> + <resolution> + <p>All sudo users should upgrade to the latest version:</p> + + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=app-admin/sudo-1.8.20_p1" + </code> + + </resolution> + <references> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-1000367"> + CVE-2017-1000367 + </uri> + </references> + <metadata tag="requester" timestamp="2017-05-30T07:27:08Z">K_F</metadata> + <metadata tag="submitter" timestamp="2017-05-30T15:17:59Z">K_F</metadata> +</glsa> |