Stay Secure with the Latest Linux Advisories

security advisoryRed Hat Linuxmoderate

Red Hat Linux 6.2: RHSA-2000:108-02 Moderate Modutils Root Exploit

modutils, a package that helps the kernel automatically load kernel modules(device drivers etc.) when they're needed, could be abused to execute codeas root.. ` --------------------------------------------------------------------- Red Hat, Inc. Security Advisory Synopsis: Updated modutils fixing local root security bug available Advisory ID: RHSA-2000:108-02 Issue date: 2000-11-16 Updated on: 2000-11-16 Product: Red Hat Linux Keywords: modutils root exploit security Cross references: N/A --------------------------------------------------------------------- 1. Topic: A local root exploit in modutils has been fixed. 2. Relevant releases/architectures: Red Hat Linux 6.2 - i386, alpha, sparc Red Hat Linux 6.2EE - i386, alpha, sparc Red Hat Linux 7.0 - i386 Red Hat Linux 7.0J - i386 3. Problem description: modutils, a package that helps the kernel automatically load kernel modules (device drivers etc.) when they're needed, could be abused to execute code as root. modutils versions between 2.3.0 and 2.3.20 are affected. 4. Solution: For each RPM for your particular architecture, run: rpm -Fvh [filename] where filename is the name of the RPM. 5. Bug IDs fixed ( for more info): 20749 - local root exploit via modutils 6. RPMs required: Red Hat Linux 6.2: alpha: sparc: i386: sources: Red Hat Linux 7.0: i386: sources: 7. Verification: MD5 sum Package Name -------------------------------------------------------------------------- 0b4bb8f26ac126db756cfbc84543d7cf 6.2/SRPMS/modutils-2.3.20-0.6.2.src.rpm 7540818796b9ab0961465f67118ffac9 6.2/alpha/modutils-2.3.20-0.6.2.alpha.rpm 206cb6ccd33a0f16803695e0246abb35 6.2/i386/modutils-2.3.20-0.6.2.i386.rpm d8226ab998719f79f3df9d4e9a6bb88a 6.2/sparc/modutils-2.3.20-0.6.2.sparc.rpm 1502c3cc848fec4ecdaf5903b9f2cbb4 7.0/SRPMS/modutils-2.3.20-1.src.rpm 166b7512c784ffaa4233e8f71ef712cd 7.0/i386/modutils-2.3.20-1.i386.rpm These packages are GPGsigned by Red Hat, Inc. for security. Our key is available at: You can verify each package with the following command: rpm --checksig If you only wish to verify that each package has not been corrupted or tampered with, examine only the md5sum with the following command: rpm --checksig --nogpg 8. References: N/A Copyright(c) 2000 Red Hat, Inc. `. Updated modutils patch addresses root exploit in Red Hat Linux, fixing critical local access issue effectively.. modutils, local exploit, red hat advisory, kernel security, root access. . Severity: Important. LinuxSecurity.com Team

Nov 16, 2000 •Important Red Hat