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authorThomas Deutschmann <whissi@gentoo.org>2020-03-25 21:23:54 +0100
committerThomas Deutschmann <whissi@gentoo.org>2020-03-25 21:23:54 +0100
commit6b9651aa34e0161bc6c3c7f1bb82a258ce07d6ef (patch)
tree53fb28d8849bc52b5d40a2b5ccb5fca55684079f /glsa-202003-55.xml
parent[ GLSA 202003-54 ] Pure-FTPd: Multiple vulnerabilities (diff)
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[ GLSA 202003-55 ] Zsh: Privilege escalation
Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>
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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="202003-55">
+ <title>Zsh: Privilege escalation</title>
+ <synopsis>A vulnerability in Zsh might allow an attacker to escalate
+ privileges.
+ </synopsis>
+ <product type="ebuild">zsh</product>
+ <announced>2020-03-25</announced>
+ <revised count="1">2020-03-25</revised>
+ <bug>711136</bug>
+ <access>local, remote</access>
+ <affected>
+ <package name="app-shells/zsh" auto="yes" arch="*">
+ <unaffected range="ge">5.8</unaffected>
+ <vulnerable range="lt">5.8</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>A shell designed for interactive use, although it is also a powerful
+ scripting language.
+ </p>
+ </background>
+ <description>
+ <p>It was discovered that Zsh was insecure dropping privileges when
+ unsetting PRIVILEGED option.
+ </p>
+ </description>
+ <impact type="normal">
+ <p>An attacker could escalate privileges.</p>
+ </impact>
+ <workaround>
+ <p>There is no known workaround at this time.</p>
+ </workaround>
+ <resolution>
+ <p>All Zsh users should upgrade to the latest version:</p>
+
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=app-shells/zsh-5.8"
+ </code>
+
+ </resolution>
+ <references>
+ <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-20044">CVE-2019-20044</uri>
+ </references>
+ <metadata tag="requester" timestamp="2020-03-25T20:14:34Z">whissi</metadata>
+ <metadata tag="submitter" timestamp="2020-03-25T20:22:40Z">whissi</metadata>
+</glsa>