glsa-202310-11.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202310-11">
    <title>less: Denial of service</title>
    <synopsis>A filtering bypass in less may allow denial of service.</synopsis>
    <product type="ebuild">less</product>
    <announced>2023-10-10</announced>
    <revised count="1">2023-10-10</revised>
    <bug>893530</bug>
    <access>remote</access>
    <affected>
        <package name="sys-apps/less" auto="yes" arch="*">
            <unaffected range="ge">608-r2</unaffected>
            <vulnerable range="lt">608-r2</vulnerable>
        </package>
    </affected>
    <background>
        <p>less is a pager and text file viewer.</p>
    </background>
    <description>
        <p>less suffered from a flaw in its terminal escape sequence handling which made its filtering incomplete.</p>
    </description>
    <impact type="normal">
        <p>Malicious input could clear the terminal output or otherwise manipulate it with faked interactions.</p>
    </impact>
    <workaround>
        <p>There is no known workaround at this time.</p>
    </workaround>
    <resolution>
        <p>All less users should upgrade to the latest version:</p>
        
        <code>
          # emerge --sync
          # emerge --ask --oneshot --verbose ">=sys-apps/less-608-r2"
        </code>
    </resolution>
    <references>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-46663">CVE-2022-46663</uri>
    </references>
    <metadata tag="requester" timestamp="2023-10-10T06:27:21.953151Z">sam</metadata>
    <metadata tag="submitter" timestamp="2023-10-10T06:27:21.958103Z">sam</metadata>
</glsa>