-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - -------------------------------------------------------------------------- Trustix Secure Linux Security Advisory #2003-0030 Package name: stunnel Summary: Denial of service Date: 2003-08-07 Affected versions: TSL 1.2, 1.5 - -------------------------------------------------------------------------- Package description: stunnel is a socket wrapper which can be used to give ordinary applications SSL (secure sockets layer) support. For example, it can be used in conjunction with a imapd to create a SSL secure IMAP server. Problem description: Stunnel prior to 3.25 and 4.04 has an error in the SIGCHILD handling code which could lead to a denial of service attack if the child processes were terminated too fast. Action: We recommend that all systems with this package installed be upgraded. Please note that if you do not need the functionality provided by this package, you may want to remove it from your system. Location: All TSL updates are available from <URI:http://www.trustix.net/pub/Trustix/updates/> <URI:ftp://ftp.trustix.net/pub/Trustix/updates/> About Trustix Secure Linux: Trustix Secure Linux is a small Linux distribution for servers. With focus on security and stability, the system is painlessly kept safe and up to date from day one using swup, the automated software updater. Automatic updates: Users of the SWUP tool can enjoy having updates automatically installed using 'swup --upgrade'. Users of TSL 1.2 can get SWUP from: <URI:ftp://ftp.trustix.net/pub/Trustix/software/swup/> (In later versions of TSL, SWUP is included in the default installation.) Public testing: These packages have been available for public testing for some time. If you want to contribute by testing the various packages in the testing tree, please feel free to share your findings on the tsl-discuss mailinglist. The testing tree is located at <URI:http://www.trustix.net/pub/Trustix/testing/> <URI:ftp://ftp.trustix.net/pub/Trustix/testing/> Questions? Check out our mailing lists: <URI:http://www.trustix.net/support/> Verification: This advisory along with all TSL packages are signed with the TSL sign key. This key is available from: <URI:http://www.trustix.net/TSL-GPG-KEY> The advisory itself is available from the errata pages at <URI:http://www.trustix.net/errata/trustix-1.2/>, <URI:http://www.trustix.net/errata/trustix-1.5/> or directly at <URI:http://www.trustix.net/errata/misc/2003/TSL-2003-0030-stunnel.asc.txt> MD5sums of the packages: - -------------------------------------------------------------------------- 0f3e975d06638f7b07f1ff6d96858bd1 ./1.2/SRPMS/stunnel-3.25-1tr.src.rpm 35b28a96f35dba5fc9c4dfc6866b9f98 ./1.2/RPMS/stunnel-3.25-1tr.i586.rpm ab593de4efa5159423fafd3a8a08a791 ./1.5/RPMS/stunnel-3.25-1tr.i586.rpm 0f3e975d06638f7b07f1ff6d96858bd1 ./1.5/SRPMS/stunnel-3.25-1tr.src.rpm - -------------------------------------------------------------------------- Trustix Security Team -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) iD8DBQE/MkmAwRTcg4BxxS0RAg/VAJ0eN7iiEQfUjtXRXz9WdWUmMxyV7wCcDkRN gk1B2lqg0Xe6Wb92NIC8uAM= =oWbu -----END PGP SIGNATURE-----