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Debian 2.1: nmh Remote Exploit Advisory - February 28, 2000

nmh did not check incoming mail messages properly. This could be exploited byusing carefully designed MIME headers to trick mhshow into executing arbitrary shell code. [Found on LWN]. -----BEGIN PGP SIGNED MESSAGE----- - ------------------------------------------------------------------------ Debian Security Advisory This email address is being protected from spambots. You need JavaScript enabled to view it. Debian -- Security Information Wichert Akkerman February 28, 2000 - ------------------------------------------------------------------------ Package: nmh Vulnerability type: remote exploit Debian-specific: no The version of nmh that was distributed in Debian GNU/Linux 2.1 (aka slink) did not check incoming mail messages properly. This could be exploited by using carefully designed MIME headers to trick mhshow into executing arbitrary shell code. This has been fixed in version 0.27-0.28-pre8-4. We recommend you upgrade your nmh package immediately. wget url will fetch the file for you dpkg -i file.deb will install the referenced file. Debian GNU/Linux 2.1 alias slink - -------------------------------- This version of Debian was released only for Intel ia32, the Motorola 680x0, the alpha and the Sun sparc architecture. Source archives: MD5 checksum: e067ed67134efa5f3e0e2ed8ff70ebb3 MD5 checksum: 311c7fa22aa6ff3e0911f363d83f1260 MD5 checksum: cb8af772beccf3432184ffe71cd9f39c Alpha architecture: MD5 checksum: d3fdfb597a3c6be024481a8d17ae8882 Intel ia32 architecture: MD5 checksum: a5e06258dfdfc38069597047acdc7c5f Motorola 680x0 architecture: MD5 checksum: d6c522f5cbf32a266a593d66570b9be0 Sun Sparc architecture: MD5 checksum: 6a912720d4a206ae39f9408a57e448bc These files will be moved into soon. For not yet released architectures please refer to the appropriate directory . - -- - ---------------------------------------------------------------------------- For apt-get: deb Debian -- SecurityInformation stable updates For dpkg-ftp: dists/stable/updates Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. -----BEGIN PGP SIGNATURE----- Version: 2.6.3ia Charset: noconv iQB1AwUBOLqyaKjZR/ntlUftAQG5UwMArr0AJuqSGZ3iEFtF8pl3r6RiOQSbUPKF A76keNup659K0diQJzuMEa1HtI9orReMhYat0vZtFruq4+XUaIzL1bGm6UDu/9u3 tf3Ppl8LvVzzbxOM3oajL30iuP1lSTgH =CSZ/ -----END PGP SIGNATURE----- . Evaluate the recent Debian security announcement related to nmh flaws that could result in remote exploitation threats, and assess recommended patches for improved safeguards.. Debian Security,nmh Package,Email Exploit,Remote Code Execution. . Severity: Critical. LinuxSecurity.com Team

Feb 28, 2000 •Critical Debian