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Red Hat Linux 7.0 RHSA-2000:087-02 Critical: Ping Buffer Overflow Issue

This update fixes various issues in ping including a possible buffer overflow.. ` --------------------------------------------------------------------- Red Hat, Inc. Security Advisory Synopsis: Potential security problems in ping fixed. Advisory ID: RHSA-2000:087-02 Issue date: 2000-10-17 Updated on: 2000-10-18 Product: Red Hat Linux Keywords: ping buffer overflows Cross references: N/A --------------------------------------------------------------------- 1. Topic: N/A 2. Relevant releases/architectures: Red Hat Linux 6.2 - i386, alpha, sparc Red Hat Linux 7.0 - i386 Red Hat Linux 7.0J - i386 3. Problem description: Several problems in ping are fixed: 1) Root privileges are dropped after acquiring a raw socket. 2) An 8 byte overflow of a static buffer "outpack" is prevented. 3) An overflow of a static buffer "buf" is prevented. A non-exploitable root only segfault is fixed as well. 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): 18611 - Unfortunate regression in "ping" security 16677 - "ping -c 1 -s 65690 localhost" segfaults 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 -------------------------------------------------------------------------- e4b1ca9fbebe4dfa6e37eba5a48d307f 6.2/SRPMS/iputils-20001010-1.6x.src.rpm 6904ba7f8502fb009002cd96645f0539 6.2/alpha/iputils-20001010-1.6x.alpha.rpm ce5de156e02e5e8e010a344e8c0cdc34 6.2/i386/iputils-20001010-1.6x.i386.rpm 11c046097bfb8c3fa62635aa531edfeb 6.2/sparc/iputils-20001010-1.6x.sparc.rpm 7bb083f0624eafd1a3f2038ff740789a 7.0/SRPMS/iputils-20001010-1.src.rpm 1973d87e9f0b685991ab4ffba1a7d257 7.0/i386/iputils-20001010-1.i386.rpm These packages are GPG signed by Red Hat, Inc. for security. Our key is available at: You canverify 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. `. This update resolves critical ping issues related to buffer overflow in Red Hat Linux to enhance system security.. Red Hat Linux,ping buffer,security update,network vulnerabilities. . Severity: Critical. LinuxSecurity.com Team

Oct 18, 2000 •Critical Red Hat