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authorTobias C. Berner <tcberner@FreeBSD.org>2021-05-24 15:02:45 +0000
committerTobias C. Berner <tcberner@FreeBSD.org>2021-05-24 15:02:45 +0000
commit4ff544422ffe21f039595fc312b2e4bff39a705c (patch)
treee777dce447ec3fb0837f7f2638fab6b711d232f4
parent80244feaa9de05e8d840fc2e2b1767d6d4b9622d (diff)
downloadports-4ff544422ffe21f039595fc312b2e4bff39a705c.tar.gz
ports-4ff544422ffe21f039595fc312b2e4bff39a705c.zip
security/vuxml: document vulnerability in texptroc/expat2
Security: CVE-2013-0340 PR: 256121
-rw-r--r--security/vuxml/vuln.xml34
1 files changed, 34 insertions, 0 deletions
diff --git a/security/vuxml/vuln.xml b/security/vuxml/vuln.xml
index 75f39adb84a3..a9740e07659b 100644
--- a/security/vuxml/vuln.xml
+++ b/security/vuxml/vuln.xml
@@ -76,6 +76,40 @@ Notes:
* Do not forget port variants (linux-f10-libxml2, libxml2, etc.)
-->
<vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">
+ <vuln vid="5fa90ee6-bc9e-11eb-a287-e0d55e2a8bf9">
+ <topic>texproc/expat2 -- billion laugh attack</topic>
+ <affects>
+ <package>
+ <name>expat</name>
+ <range><lt>2.4.1</lt></range>
+ </package>
+ </affects>
+ <description>
+ <body xmlns="http://www.w3.org/1999/xhtml">
+ <p>Kurt Seifried reports:</p>
+ <blockquote cite="https://blog.hartwork.org/posts/cve-2013-0340-billion-laughs-fixed-in-expat-2-4-0/">
+ <p>So here are the CVE's for the two big ones, libxml2 and expat.
+ Both are affected by the expansion of internal entities
+ (which can be used to consume resources) and external entities
+ (which can cause a denial of service against other services, be
+ used to port scan, etc.).</p>
+ <p>A billion laughs attack is a type of denial-of-service attack
+ which is aimed at parsers of XML documents.</p>
+ </blockquote>
+ </body>
+ </description>
+ <references>
+ <cvename>CVE-2013-0340</cvename>
+ <url>https://www.openwall.com/lists/oss-security/2013/02/22/3</url>
+ <url>https://blog.hartwork.org/posts/cve-2013-0340-billion-laughs-fixed-in-expat-2-4-0/</url>
+ <url>https://nvd.nist.gov/vuln/detail/CVE-2013-0340</url>
+ </references>
+ <dates>
+ <discovery>2013-02-21</discovery>
+ <entry>2021-05-24</entry>
+ </dates>
+ </vuln>
+
<vuln vid="524bd03a-bb75-11eb-bf35-080027f515ea">
<topic>libxml2 -- Possible denial of service</topic>
<affects>