# HG changeset patch # User Matt Johnston # Date 1469113464 -28800 # Node ID 10f28c95ca31ef4248c986b2972b50631a3ec3dc # Parent 090033317ca14e360594788b6f1b2fff773885d2 changelogs diff -r 090033317ca1 -r 10f28c95ca31 CHANGES --- a/CHANGES Fri Apr 29 23:04:10 2016 +0800 +++ b/CHANGES Thu Jul 21 23:04:24 2016 +0800 @@ -1,3 +1,35 @@ +2016.74 - 21 July 2016 + +- Security: Message printout was vulnerable to format string injection. + + If specific usernames including "%" symbols can be created on a system + (validated by getpwnam()) then an attacker could run arbitrary code as root + when connecting to Dropbear server. + + A dbclient user who can control username or host arguments could potentially + run arbitrary code as the dbclient user. This could be a problem if scripts + or webpages pass untrusted input to the dbclient program. + +- Security: dropbearconvert import of OpenSSH keys could run arbitrary code as + the local dropbearconvert user when parsing malicious key files + +- Security: dbclient could run arbitrary code as the local dbclient user if + particular -m or -c arguments are provided. This could be an issue where + dbclient is used in scripts. + +- Security: dbclient or dropbear server could expose process memory to the + running user if compiled with DEBUG_TRACE and running with -v + + The security issues were reported by an anonymous researcher working with + Beyond Security's SecuriTeam Secure Disclosure www.beyondsecurity.com/ssd.html + +- Fix port forwarding failure when connecting to domains that have both + IPv4 and IPv6 addresses. + +- Fix 100% CPU use while waiting for rekey to complete. Thanks to Zhang Hui P + for the patch + + 2016.73 - 18 March 2016 - Support syslog in dbclient, option -o usesyslog=yes. Patch from Konstantin Tokarev diff -r 090033317ca1 -r 10f28c95ca31 debian/changelog --- a/debian/changelog Fri Apr 29 23:04:10 2016 +0800 +++ b/debian/changelog Thu Jul 21 23:04:24 2016 +0800 @@ -1,3 +1,9 @@ +dropbear (2016.74-0.1) unstable; urgency=low + + * New upstream release. + + -- Matt Johnston Thu, 21 Jul 2016 22:51:57 +0800 + dropbear (2016.73-0.1) unstable; urgency=low * New upstream release.