Denial of Service Vulnerability in SystemTap 1.4 with Unprivileged Mode

CVE-2011-1781 · LOW Severity

AV:L/AC:H/AU:N/C:N/I:N/A:P

SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted ELF program with DWARF expressions that are not properly handled by a stap script that performs stack unwinding (aka backtracing).

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