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-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2004.0006 -- Debian Security Advisory DSA 408-1 New screen packages fix group utmp exploit 06 January 2004 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: screen Publisher: Debian Operating System: Debian GNU/Linux 3.0 Linux Impact: Increased Privileges Access Required: Existing Account CVE Names: CAN-2003-0972 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - -------------------------------------------------------------------------- Debian Security Advisory DSA 408-1 security@debian.org http://www.debian.org/security/ Martin Schulze January 5th, 2004 http://www.debian.org/security/faq - - -------------------------------------------------------------------------- Package : screen Vulnerability : integer overflow Problem-Type : local Debian-specific: no CVE ID : CAN-2003-0972 Timo Sirainen reported a vulnerability in screen, a terminal multiplexor with VT100/ANSI terminal emulation, that can lead an attacker to gain group utmp privledges. For the stable distribution (woody) this problem has been fixed in version 3.9.11-5woody1. For the unstable distribution (sid) this problem has been fixed in version 4.0.2-0.1. We recommend that you upgrade your screen package. Upgrade Instructions - - -------------------- wget url will fetch the file for you dpkg -i file.deb will install the referenced file. If you are using the apt-get package manager, use the line for sources.list as given below: apt-get update will update the internal database apt-get upgrade will install corrected packages You may use an automated update by adding the resources from the footer to the proper configuration. Debian GNU/Linux 3.0 alias woody - - -------------------------------- Source archives: http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1.dsc Size/MD5 checksum: 633 a1e5493005ceaf734b6128766d17a641 http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1.diff.gz Size/MD5 checksum: 60531 7800e904a064adf3c2df56eea63270cc http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11.orig.tar.gz Size/MD5 checksum: 722396 19572f92404995e7b2dea8117204dd67 Alpha architecture: http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_alpha.deb Size/MD5 checksum: 523248 bc1770274cc8cf05e7035ec84601a43f ARM architecture: http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_arm.deb Size/MD5 checksum: 480188 a6470b52e0a7ea519e017747267206dd Intel IA-32 architecture: http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_i386.deb Size/MD5 checksum: 461518 4f787a996b5db04abcf3eaa2f5e4f730 Intel IA-64 architecture: http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_ia64.deb Size/MD5 checksum: 586442 7c8ccf8ff76925018e4eb2e8152bb7b3 HP Precision architecture: http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_hppa.deb Size/MD5 checksum: 500770 7da7c865e32afc18fe1bbd32f5843c4d Motorola 680x0 architecture: http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_m68k.deb Size/MD5 checksum: 450656 96c4270b72b3aacbf68be80140335e24 Big endian MIPS architecture: http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_mips.deb Size/MD5 checksum: 494872 2c6255a232455a547fc35899b8dcd7f3 Little endian MIPS architecture: http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_mipsel.deb Size/MD5 checksum: 494260 b5d3bdc0e7c328d2f9af8e9c2ae28d7d PowerPC architecture: http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_powerpc.deb Size/MD5 checksum: 484050 be22d939e6d308a039fd25b019dc5bcb IBM S/390 architecture: http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_s390.deb Size/MD5 checksum: 474334 4ac4afeb09ec9cb2034383e48aaf097c Sun Sparc architecture: http://security.debian.org/pool/updates/main/s/screen/screen_3.9.11-5woody1_sparc.deb Size/MD5 checksum: 482754 38a376dd775ee0f8df32b84b015a4da3 These files will probably be moved into the stable distribution on its next revision. - - --------------------------------------------------------------------------------- For apt-get: deb http://security.debian.org/ stable/updates main For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main Mailing list: debian-security-announce@lists.debian.org Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg> - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) iD8DBQE/+XQ/W5ql+IAeqTIRAoCJAJ0dddim7GH0uHad9P3zOd/GykuX1gCcD5Kh XfougGBsMkGzh7dNQcDDOXY= =K0eo - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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On call after hours for member emergencies only. -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQCVAwUBP/oMYyh9+71yA2DNAQE6tAP/c3gb04bfGxtZP64Wl5QofFkDRH35tgEu MsrxKr3+H8f7B8QGu9aQITvxUWB4RrXV3jqmdQ4YwBHzMe32R/Bu/EU77tmWzsT1 Vm1doMFuzgkZtpa8uXsBs+OENpKLC9q43rw4bFVuzSsFvSIPkfI04ej4F/rlwSBa r5a1kz135wU= =mEq3 -----END PGP SIGNATURE-----