blob: af8eba5fe76e7bdfc94d2f4cf0c52b6c98ef2b66 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202210-26">
<title>Shadow: TOCTOU Race</title>
<synopsis>A TOCTOU race has been discovered in Shadow, which could result in the unauthorized modification of files.</synopsis>
<product type="ebuild">shadow</product>
<announced>2022-10-31</announced>
<revised count="1">2022-10-31</revised>
<bug>830486</bug>
<access>remote</access>
<affected>
<package name="sys-apps/shadow" auto="yes" arch="*">
<unaffected range="ge">4.12.2</unaffected>
<vulnerable range="lt">4.12.2</vulnerable>
</package>
</affected>
<background>
<p>Shadow contains utilities to deal with user accounts</p>
</background>
<description>
<p>A TOCTOU race condition was discovered in shadow. A local attacker with write privileges in a directory removed or copied by usermod/userdel could potentially exploit this flaw when the administrator invokes usermod/userdel.</p>
</description>
<impact type="normal">
<p>An unauthorized user could potentially modify files which they do not have write permissions for.</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Shadow users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/shadow-4.12.2"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2013-4235">CVE-2013-4235</uri>
</references>
<metadata tag="requester" timestamp="2022-10-31T01:22:12.661215Z">ajak</metadata>
<metadata tag="submitter" timestamp="2022-10-31T01:22:12.666288Z">ajak</metadata>
</glsa>
|
