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Debian: 2.2 Potato DSA 050-1 Critical: Local Sendfile Exploit

Colin Phipps and Daniel Kobras discovered and fixed several seriousbugs in the saft daemon `sendfiled' which caused it to drop privilegesincorrectly. Exploiting this a local user can easily make it executearbitrary code under root privileges.. ---------------------------------------------------------------------------- Debian Security Advisory DSA 050-1 This email address is being protected from spambots. You need JavaScript enabled to view it. Debian -- Security Information Martin Schulze April 20, 2001 ---------------------------------------------------------------------------- Package : sendfile Vulnerability : broken privileges dropping, broken tempfile Type : local root exploit Debian-specific: no Colin Phipps and Daniel Kobras discovered and fixed several serious bugs in the saft daemon `sendfiled' which caused it to drop privileges incorrectly. Exploiting this a local user can easily make it execute arbitrary code under root privileges. We recommend you upgrade your sendfile packages immediately. wget url will fetch the file for you dpkg -i file.deb will install the referenced file. You may use an automated update by adding the resources from the footer to the proper configuration. Debian GNU/Linux 2.2 alias potato ------------------------------------ Potato was released for the alpha, arm, i386, m68k, powerpc and sparc architectures. Source archives: MD5 checksum: b5ba5230deef00b0cf815cb79edd5033 MD5 checksum: 48e5cc3435e2432e41299c31bb08f1a4 MD5 checksum: cff003126595d8e77143c42ef898dc10 Alpha architecture: MD5 checksum: df6c0c2d24eeb20d8d4ca7ccce295f4f ARM architecture: MD5 checksum: cecd8e7489dfc4b663e3d99e63d8b086 Intel ia32 architecture: MD5 checksum: e519872a28daeb614e235650b7cd88bd Motorola 680x0 architecture: MD5 checksum: 313aa66e64c0509c041ff58a29be6c86 PowerPC architecture: MD5 checksum: a2d2a9829642c9d20efeb5443d17990c SunSparc architecture: MD5 checksum: 0e9722314cc01e8d0ad47781c1d0964c These files will be moved into soon. For not yet released architectures please refer to the appropriate directory . ---------------------------------------------------------------------------- For apt-get: deb Debian -- Security Information stable/updates main For dpkg-ftp: dists/stable/updates/main Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. Package info: `apt-cache show ' and https://www.debian.org/distrib/packages . Immediate fix required for Debian's sendfile due to a local exploit that may allow unauthorized root access. Check the advisory for detailed insights.. Debian Security, Sendfile Exploit, Local Escalation. . Severity: Critical. LinuxSecurity.com Team

Apr 19, 2001 •Critical Debian