Date: Fri, 7 Feb 2020 19:38:45 +0000 (UTC) From: Cy Schubert <cy@FreeBSD.org> To: ports-committers@freebsd.org, svn-ports-all@freebsd.org, svn-ports-head@freebsd.org Subject: svn commit: r525501 - head/security/vuxml Message-ID: <202002071938.017Jcj8S024146@repo.freebsd.org>
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Author: cy Date: Fri Feb 7 19:38:45 2020 New Revision: 525501 URL: https://svnweb.freebsd.org/changeset/ports/525501 Log: Document ksh93 CVE-2019-14868: certain environment variables interpreted as arithmetic expressions on startup, leading to code injection. Reported by: Siteshwar Vashisht <svashisht@redhat.com> MFH: 2020Q1 Security: CVE-2019-14868 https://bugzilla.redhat.com/show_bug.cgi?id=1757324 https://access.redhat.com/security/cve/CVE-2019-14868 Modified: head/security/vuxml/vuln.xml Modified: head/security/vuxml/vuln.xml ============================================================================== --- head/security/vuxml/vuln.xml Fri Feb 7 19:38:40 2020 (r525500) +++ head/security/vuxml/vuln.xml Fri Feb 7 19:38:45 2020 (r525501) @@ -58,6 +58,42 @@ Notes: * Do not forget port variants (linux-f10-libxml2, libxml2, etc.) --> <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">; + <vuln vid="8b20d716-49df-11ea-9f7b-206a8a720317"> + <topic>ksh93 -- certain environment variables interpreted as arithmetic expressions on startup, leading to code injection</topic> + <affects> + <package> + <name>ksh93</name> + <range><lt>2020.0.1_1,1</lt></range> + </package> + <package> + <name>ksh93-devel</name> + <range><lt>2020.02.07</lt></range> + </package> + </affects> + <description> + <body xmlns="http://www.w3.org/1999/xhtml">; + <p>Upstream ksh93 maintainer Siteshwar Vashisht reports:</p> + <blockquote cite="https://access.redhat.com/security/cve/CVE-2019-14868">; + <p>A flaw was found in the way ksh evaluates certain environment + variables. An attacker could use this flaw to override or bypass + environment restrictions to execute shell commands. Services and + applications that allow remote unauthenticated attackers to + provide one of those environment variables could allow them to + exploit this issue remotely.</p> + </blockquote> + </body> + </description> + <references> + <url>https://bugzilla.redhat.com/show_bug.cgi?id=1757324</url>; + <url>https://access.redhat.com/security/cve/CVE-2019-14868</url>; + <url>https://access.redhat.com/errata/RHSA-2020:0431</url>; + </references> + <dates> + <discovery>2019-10-01</discovery> + <entry>2020-02-07</entry> + </dates> + </vuln> + <vuln vid="e7bc2b99-485a-11ea-bff9-9c5c8e75236a"> <topic>clamav -- Denial-of-Service (DoS) vulnerability</topic> <affects>
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