From ciaglia@netwosix.org Thu Apr 8 16:15:09 2004 From: Vincenzo Ciaglia To: bugtraq@securityfocus.com Cc: lwn@lwn.net, announce@netwosix.org, bproffitt@jupitermedia.com, full-disclosure@lists.netsys.com Date: Thu, 8 Apr 2004 18:45:13 +0200 Subject: [Full-Disclosure] LNSA-#2004-0010: login may leak sensitive data -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ************************************************************************************ Netwosix Linux Security Advisory #2004-0010 - ----------------------------------------------------------------------------------- Package name: util-linux Summary: leak problem in util-linux Date: 2004-04-08 Affected versions: Netwosix 1.0 Netwosix 1.1 ************************************************************************************ - - -> Package description: - - ------------------------ Util-linux is a suite of essential utilities for any Linux system. Its primary audience is system integrators and DIY Linux hackers. Util-linux is attempting to be portable, but the only platform it has been tested much on is Linux i386. It contains the following programs: agetty arch blockdev cal cfdisk chfn chkdupexe chsh clear col colcrt colrm column ctrlaltdel cytune ddate dmesg elvtune fastboot fasthalt fdformat fdisk fsck.cramfs fsck.minix getopt halt hexdump hwclock initctl ipcrm ipcs isosize kill last line logger login look mcookie mesg mkfs mkfs.bfs mkfs.cramfs mkfs.minix mkswap more mount namei need passwd pg pivot_root ramsize raw rdev readprofile reboot rename renice rescuept reset rev rootflags script setfdprm setsid setterm sfdisk shutdown simpleinit sln swapoff swapon tunelp ul umount vidmode vipw wall whereis write. - - -> Problem description: - - ------------------------ The login program in util-linux 2.11 and earlier uses a pointer after it has been freed and reallocated, which could cause login to leak sensitive data. - - -> 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: - - --------------------- You can download the latest version of this package in NEPOTE format from: - - -> Nepote Update: - - --------------------- See this instructions to update the port of this package: # cd /usr/ports/ # wget http://download.netwosix.org/0010/nepote # sh nepote (to install the new and updated package) - - -> References - - --------------------- Specific references for this advisory: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0080 - - -> About Linux Netwosix: - - --------------------------------- Linux Netwosix is a powerful and optimized Linux distribution for servers and Network Security related jobs. It can also be used for special operations such as penetration testing with its big collection of security oriented software and sources. It's a light distribution created for the requirements of every SysAdmin and it's very portable and highly configurable. Our philosophy is to give greater liberty for configuration to the SysAdmin. Only in this way can he/she configure a powerful and stable server machine. Linux Netwosix also has a powerful ports system (Nepote) similar to the xBSD systems but more flexible and usable. - - -> Questions? - - --------------------- Check out our mailing lists: The advisory itself is available at - - -------------------------------------------------- MD5sums of the packages: - - - -------------------------------------------------------------------------- 84c67bd30dc89ed9462b4ef3afbf9496 0008/nepote - - - -------------------------------------------------------------------------- Vincenzo Ciaglia - Linux Netwosix Security Advisories - - -- Vincenzo Ciaglia Linux Netwosix Team - [ Keyid: 0x6BB3E24A] Key fingerprint = 4B3E A25F 2A7A 0C19 1A97 616B EA3C FDA4 6BB3 E24A -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQFAdYGZ6jz9pGuz4koRAi3eAJ9dwrwRXt3WmoxyHkOUrsODOnG7SwCgtD9i mShi8ZgbUYixscUQxHwHdLE= =eZly -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.netsys.com/full-disclosure-charter.html