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SuSE Linux Security Alert: Serious Risk of Remote Access Vulnerability

It may be possible for an attacker to modify his/her DNS record to execute abitrary machine code as root while connecting to the standard ftp daemon.. -----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SuSE Security Announcement Package: nkitb < 2000.7.11-0 Date: Fri Jul 14 14:38:37 CEST 2000 Affected SuSE versions: 6.1-6.4 Vulnerability Type: (possible) remote root compromise SuSE default package: yes Other affected systems: all linux systems using this package ______________________________________________________________________________ A security hole was discovered in the package mentioned above. Please update it as soon as possible or disable the service if you are using this software on your SuSE Linux installation(s). Other Linux distributions or operating systems might be affected as well, please contact your vendor for information about this issue. Please note that we provide this information on an "as-is" basis only. There is no warranty whatsoever and no liability for any direct, indirect or incidental damage arising from this information or the installation of the update package. _____________________________________________________________________________ 1. Problem Description The standard ftp server does directly pass untrusted data from a DNS server to the setproctitle() function in a unsecure manner. 2. Impact It may be possible for an attacker to modify his/her DNS record to execute abitrary machine code as root while connecting to the standard ftp daemon. 3. Solution Update the package from our FTP server. ______________________________________________________________________________ Please verify these md5 checksums of the updates before installing: (For SuSE 6.0, please use the 6.1 updates) AXP: 77ee118ac0790b775c08cecf28b3f5c3 5eac90efb3c82a948b7843a8d29b1c65 i386: c85b8c047395f87a61fe7ef1938facd6 /6.1/a1/nkitb-2000.7.11-0.i386.rpm 9fec7f48504f7c4134ac1ae78ee99060 /6.2/a1/nkitb-2000.7.11-0.i386.rpm 34540a50d4a562b02fbb4bc56f23e1b6 118075b7fc295be86b3659bf9b3fa778 /6.4/a1/nkitb-2000.7.11-0.i386.rpm PPC: 9ab22ed85cf0efb875c0c4f8fc878c3d 61608e1f8e8bd4f20d9f47bea6a70740 ______________________________________________________________________________ You can find updates on our ftp-Server: for Intel processors for Alpha processors or try the following web pages for a list of mirrors: SUSE – Open-Source-Lösungen für Enterprise Server und Cloud | SUSE Our webpage for patches: SUSE – Open-Source-Lösungen für Enterprise Server und Cloud | SUSE Our webpage for security announcements: SUSE – Open-Source-Lösungen für Enterprise Server und Cloud | SUSE If you want to report vulnerabilities, please contact This email address is being protected from spambots. You need JavaScript enabled to view it. ______________________________________________________________________________ SuSE runs two free security mailing list services to which any interested party may subscribe: suse- This email address is being protected from spambots. You need JavaScript enabled to view it. - moderated and for general/linux/SuSE security discussions. All SuSE security announcements are sent to this list. suse-security- This email address is being protected from spambots. You need JavaScript enabled to view it. - SuSE's announce-only mailing list. Only SuSE's security annoucements are sent to this list. To subscribe to the list, send a message to: To remove your address from the list, send a message to: Send mail to the following for info and FAQ for this list: _____________________________________________________________________________ This information is provided freely to everyone interested and may be redistributed provided that it is not altered in any way. Type Bits/KeyID Date User ID pub 2048/3D25D3D9 1999/03/06 SuSE Security Team - ------BEGIN PGP PUBLIC KEY BLOCK----- Version:2.6.3i mQENAzbhLQQAAAEIAKAkXHe0lWRBXLpn38hMHy03F0I4Sszmoc8aaKJrhfhyMlOA BqvklPLE2f9UrI4Xc860gH79ZREwAgPt0pi6+SleNFLNcNFAuuHMLQOOsaMFatbz JR9i4m/lf6q929YROu5zB48rBAlcfTm+IBbijaEdnqpwGib45wE/Cfy6FAttBHQh 1Kp+r/jPbf1mYAvljUfHKuvbg8t2EIQz/5yGp+n5trn9pElfQO2cRBq8LFpf1l+U P7EKjFmlOq+Gs/fF98/dP3DfniSd78LQPq5vp8RL8nr/o2i7jkAQ33m4f1wOBWd+ cZovrKXYlXiR+Bf7m2hpZo+/sAzhd7LmAD0l09kABRG0JVN1U0UgU2VjdXJpdHkg VGVhbSA8c2VjdXJpdHlAc3VzZS5kZT6JARUDBRA24S1H5Fiyh7HKPEUBAVcOB/9b yHYji1/+4Xc2GhvXK0FSJN0MGgeXgW47yxDL7gmR4mNgjlIOUHZj0PEpVjWepOJ7 tQS3L9oP6cpj1Fj/XxuLbkp5VCQ61hpt54coQAvYrnT9rtWEGN+xmwejT1WmYmDJ xG+EGBXKr+XP69oIUl1E2JO3rXeklulgjqRKos4cdXKgyjWZ7CP9V9daRXDtje63 Om8gwSdU/nCvhdRIWp/Vwbf7Ia8iZr9OJ5YuQl0DBG4qmGDDrvImgPAFkYFzwlqo choXFQ9y0YVCV41DnR+GYhwl2qBd81T8aXhihEGPIgaw3g8gd8B5o6mPVgl+nJqI BkEYGBusiag2pS6qwznZiQEVAwUQNuEtBHey5gA9JdPZAQFtOAf+KVh939b0J94u v/kpg4xs1LthlhquhbHcKNoVTNspugiC3qMPyvSX4XcBr2PC0cVkS4Z9PY9iCfT+ x9WM96g39dAF+le2CCx7XISk9XXJ4ApEy5g4AuK7NYgAJd39PPbERgWnxjxir9g0 Ix30dS30bW39D+3NPU5Ho9TD/B7UDFvYT5AWHl3MGwo3a1RhTs6sfgL7yQ3U+mvq MkTExZb5mfN1FeaYKMopoI4VpzNVeGxQWIz67VjJHVyUlF20ekOz4kWVgsxkc8G2 saqZd6yv2EwqYTi8BDAduweP33KrQc4KDDommQNDOXxaKOeCoESIdM4p7Esdjq1o L0oixF12Cg==pIeS - ------END PGP PUBLIC KEY BLOCK----- -----BEGIN PGP SIGNATURE----- Version: 2.6.3i Charset: noconv iQEVAwUBOXKe1Hey5gA9JdPZAQGmNwf/Tlpj/I+38kI21SiBAzt+ggX9YRFzCjO6 B6/lPpm5BenPwDDusqs3K1a2y1bn2W30dAyuZiC4cWnmoAT0JE3liP1gqvmt6pXS IY3XfH3qrd6SXpyD9fOfixrGzNTLvzaK+AcOFiZcOBoHXOaLGlmZeS3eu1h8dSwm 3hWoEfVaQuVGCJg/0REnJkD/B+hHCmmld7iMrslbRFvtNCMld/J8UV+aeMwbQUNw tCxzWzfPckuxdUhBqtkMfNIBH/zaEF3U7idtewgrdXo1TkNCQTCD+qPYwHGo8QM9 6Onaev9bhOLi/Znn/gZsP1f2lfbn4StelWSLrNMs80181RRNt9eMCw==nw86 -----END PGP SIGNATURE----- . This bulletin highlights serious vulnerabilities in Ubuntu's pkgb package that may enable unauthorized access. Timely updates and protective measures are vital for system security. SuSE Linux Security,nkitb vulnerability,DNS exploitation,remote root access,software patch. . Severity: Critical. LinuxSecurity.com Team

Jul 17, 2000 •Critical SuSE