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| author | Rene Ladan <rene@FreeBSD.org> | 2010-06-27 21:14:28 +0000 |
|---|---|---|
| committer | Rene Ladan <rene@FreeBSD.org> | 2010-06-27 21:14:28 +0000 |
| commit | e2bf83504e9f4fb8dfbc00de51292e5c78627464 (patch) | |
| tree | b957f25681768c31c0f375df7474991ee1d976e2 /security | |
| parent | 67ee70c9d41649bad6f1979d356e60ba289855dc (diff) | |
| download | ports-e2bf83504e9f4fb8dfbc00de51292e5c78627464.tar.gz ports-e2bf83504e9f4fb8dfbc00de51292e5c78627464.zip | |
Document mDNSResponder -- corrupted stack crash when parsing bad resolv.conf
This only happens on a system where one has a system where
resolv.conf is writable by an untrusted user or where mdnsd is setuid
and can be tricked into opening an alternate resolv.conf.
PR: ports/147007
Submitted by: jmallett@
Approved by: tabthorpe (mentor)
Feature safe: yes
Notes
Notes:
svn path=/head/; revision=257077
Diffstat (limited to 'security')
| -rw-r--r-- | security/vuxml/vuln.xml | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/security/vuxml/vuln.xml b/security/vuxml/vuln.xml index a67d6016e3f0..d1fd7cf420ac 100644 --- a/security/vuxml/vuln.xml +++ b/security/vuxml/vuln.xml @@ -34,6 +34,37 @@ Note: Please add new entries to the beginning of this file. --> <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1"> + <vuln vid="1cd87e2a-81e3-11df-81d8-00262d5ed8ee"> + <topic>mDNSResponder -- corrupted stack crash when parsing bad resolv.conf</topic> + <affects> + <package> + <name>mDNSResponder</name> + <range><le>214</le></range> + </package> + </affects> + <description> + <body xmlns="http://www.w3.org/1999/xhtml"> + <p>Juli Mallett reports:</p> + <blockquote + cite="http://www.freebsd.org/cgi/query-pr.cgi?pr=ports/147007"> + <p>mdnsd will crash on some systems with a corrupt stack and once + that's fixed it will still leak a file descriptor when parsing + resolv.conf. The crash is because scanf is used with %10s for a + buffer that is only 10 chars long. The buffer size needs increased + to 11 chars to hold the trailing NUL. To fix the leak, an fclose + needs added.</p> + </blockquote> + </body> + </description> + <references> + <freebsdpr>ports/147007</freebsdpr> + </references> + <dates> + <discovery>2010-05-26</discovery> + <entry>2010-06-27</entry> + </dates> + </vuln> + <vuln vid="77b9f9bc-7fdf-11df-8a8d-0008743bf21a"> <topic>opera -- Data URIs can be used to allow cross-site scripting</topic> <affects> |