Veritas Cluster Server VCSI18N_LANG Buffer Overflow Vulnerability Analysis

Vulnerability Key Information Vulnerability Overview Vulnerability Type: Buffer Overflow Affected Product: Veritas Storage Foundation VCSI18N_LANG Environment Variable Impact: This vulnerability affects multiple setuid root applications in Veritas Cluster Server for UNIX, potentially leading to segmentation faults and possible privilege escalation. Vulnerability Details Trigger Condition: When the VCSI18N_LANG environment variable is used, injecting specially crafted malicious data into it can cause a buffer overflow. Test Environment: Tested on Veritas Storage Foundation 4.0 for Red Hat Enterprise Linux. Exploitation Exploitation Complexity: Exploiting this vulnerability is relatively simple, triggered by basic input causing a segmentation fault. Exploitation Example: Debugging Information: Affected Versions Specific Versions: Mitigation and Recommendations Remediation Measures: - Remove setuid permissions from affected binaries or install vendor-released patches. - Use to modify binary permissions. Patch Availability: - Users are advised to obtain the latest patches from official channels and avoid using exploit tools from unofficial sources. Timeline Initial Discovery and Fix Dates: - August 19, 2005: Initial exploit discovered. - November 8, 2005: Official vulnerability advisory released.

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Veritas Cluster Server VCSI18N_LANG Buffer Overflow Vulnerability Analysis