5948996 2001-01-10 20:29 -0800 /90 rader/ Slackware Security Team <security@SLACKWARE.COM> Sänt av: joel@lysator.liu.se Importerad: 2001-01-12 18:53 av Brevbäraren (som är implementerad i) Python Extern mottagare: BUGTRAQ@SECURITYFOCUS.COM Externa svar till: security@slackware.com Mottagare: Bugtraq (import) <14764> Ärende: [slackware-security] glibc 2.2 local vulnerability on setuid ------------------------------------------------------------ binaries From: Slackware Security Team <security@SLACKWARE.COM> To: BUGTRAQ@SECURITYFOCUS.COM Message-ID: <Pine.LNX.4.21.0101102027300.4351-100000@bob.slackware.com> glibc-2.2 contains a local vulnerability that affects all setuid root binaries. Any user on affected systems will be able to read any file on the system through a simple process: The user sets the RESOLV_HOST_CONF environment variable to the name of the file that they wish to read, then runs any setuid root program that makes use of that variable. The file is then written to stderr. The original BugTraq announcement can be read at the following URL: http://www.securityfocus.com/archive/1/155352 Users of Slackware -current are strongly urged to upgrade to the new glibc packages in the -current branch. ========================================================================= glibc 2.2 AVAILABLE - (a1/glibcso.tgz, d1/glibc.tgz) ========================================================================= PACKAGE INFORMATION: -------------------- a1/glibcso.tgz: This package contains the runtime libraries for glibc 2.2 All users of Slackware -current should upgrade this package. d1/glibc.tgz: This is the full glibc 2.2 package, complete with headers and static libraries. If you had previously installed this package, you need to upgrade it. WHERE TO FIND THE NEW PACKAGES: ------------------------------- All new packages can be found in the -current branch: ftp://ftp.slackware.com/pub/slackware/slackware-current/slakware/a1/glibcso.tgz ftp://ftp.slackware.com/pub/slackware/slackware-current/slakware/d1/glibc.tgz MD5 SIGNATURES AND CHECKSUMS: ----------------------------- Here are the md5sums and checksums for the packages: 16-bit "sum" checksum: 39060 1054 a1/glibcso.tgz 61562 26779 d1/glibc.tgz 128-bit MD5 message digest: 6ea2e3fecf1a1a970f1e37b7be7c12aa a1/glibcso.tgz 4f1e8ef903f1d0dd675aaf0cc3926177 d1/glibc.tgz INSTALLATION INSTRUCTIONS: -------------------------- It is recommended that the two packages above be upgraded in single user mode (runlevel 1). Bring the system into runlevel 1: # telinit 1 Then upgrade the packages: # upgradepkg <package name>.tgz Then bring the system back into multiuser mode: # telinit 3 Remember, it's also a good idea to backup configuration files before upgrading packages. - Slackware Linux Security Team http://www.slackware.com +------------------------------------------------------------------------+ | HOW TO REMOVE YOURSELF FROM THIS MAILING LIST: | +------------------------------------------------------------------------+ | Send an email to majordomo@slackware.com with this text in the body of | | the email message: | | | | unsubscribe slackware-security | | | | You will get a confirmation message back. Follow the instructions to | | complete the unsubscription. Do not reply to this message to | | unsubscribe! | +------------------------------------------------------------------------+ (5948996) --------------------------------(Ombruten)