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Slackware Security Advisory: buffer overflow in sudo fixed

Feb 26, 2001, 20:48 (1 Talkback[s])

Date: Sun, 25 Feb 2001 12:03:42 -0800
From: Slackware Security Team security@slackware.com
To: BUGTRAQ@SECURITYFOCUS.COM
Subject: [slackware-security] buffer overflow in sudo fixed

Sudo 1.6.3p6 is now available for Slackware 7.1 and Slackware -current. This release fixes a known buffer overflow, which could be used by malicious users to compromise parts of the system. If you rely on Sudo and use one of the above versions of Slackware, it is recommended that you upgrade to the new sudo.tgz package for the version you're running.

Detailed information about Sudo can be obtained from the official web site:

http://www.courtesan.com/sudo/


sudo 1.6.3p6 AVAILABLE - (sudo.tgz)


A buffer overflow exists in the version of Sudo in Slackware 7.1 and -current. Upgrading to sudo 1.6.3p6 addresses this problem. Packages available:

For Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slakware/ap1/sudo.tgz

For Slackware 7.1:
ftp://ftp.slackware.com/pub/slackware/slackware-7.1/patches/packages/sudo.tgz

For verification purposes, we provide the following checksums:

     For Slackware -current:
        16-bit "sum" checksum:
        06790   118   sudo.tgz

        128-bit MD5 message digest:
54eb7f61b7e7ef17a204af6369218d7d sudo.tgz

     For Slackware 7.1:
        16-bit "sum" checksum:
        02323   118   sudo.tgz

        128-bit MD5 message digest:
8e5453142a9beab02384d26a323273eb sudo.tgz
INSTALLATION INSTRUCTIONS FOR THE sudo.tgz PACKAGE:

Make sure that no one is running sudo. Backup any configuration files for sudo, then run this command as root:

# upgradepkg sudo.tgz

Thew version will be installed on the system and the old one will be removed.

Remember, it's also a good idea to backup configuration files before upgrading packages.

- Slackware Linux Security Team
http://www.slackware.com