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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202104-01">
<title>Git: User-assisted execution of arbitrary code</title>
<synopsis>A vulnerability has been found in Git that could allow a remote
attacker to execute arbitrary code.
</synopsis>
<product type="ebuild">git</product>
<announced>2021-04-30</announced>
<revised count="1">2021-04-30</revised>
<bug>774678</bug>
<access>local</access>
<affected>
<package name="dev-vcs/git" auto="yes" arch="*">
<unaffected range="ge">2.26.3</unaffected>
<vulnerable range="lt">2.26.3</vulnerable>
</package>
</affected>
<background>
<p>Git is a distributed version control system designed.</p>
</background>
<description>
<p>It was discovered that Git could be fooled into running remote code
during a clone on case-insensitive file systems with support for symbolic
links, if Git is configured globally to apply delay-capable clean/smudge
filters (such as Git LFS).
</p>
</description>
<impact type="normal">
<p>A remote attacker could entice a user to clone a specially crafted
repository, possibly resulting in the remote execution of arbitrary code
with the privileges of the user running the application.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Git users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-vcs/git-2.26.3"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-21300">CVE-2021-21300</uri>
</references>
<metadata tag="requester" timestamp="2021-04-30T22:21:04Z">whissi</metadata>
<metadata tag="submitter" timestamp="2021-04-30T23:44:55Z">whissi</metadata>
</glsa>
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