CVE-2002-0824

FreeBSD 4.x / NetBSD 1.4.x/1.5.x/1.6 / OpenBSD 3 - pppd Arbitrary File Permission Modification Race Condition

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

BSD pppd allows local users to change the permissions of arbitrary files via a symlink attack on a file that is specified as a tty device.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Local

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2002-07-29 First Exploit
2002-08-03 CVE Reserved
2002-08-12 CVE Published
2024-08-08 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-59: Improper Link Resolution Before File Access ('Link Following')

CAPEC

References (6)

URL	Tag	Source
http://www.iss.net/security_center/static/9738.php	Broken Link
http://www.securityfocus.com/bid/5355	Third Party Advisory

URL	Date	SRC
https://www.exploit-db.com/exploits/21669	2002-07-29

URL	Date	SRC

URL	Date	SRC
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2002-010.txt.asc	2021-03-11
http://marc.info/?l=bugtraq&m=102812546815606&w=2	2021-03-11
http://www.openbsd.org/errata31.html	2021-03-11

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Freebsd Search vendor "Freebsd"		Point-to-point Protocol Daemon Search vendor "Freebsd" for product "Point-to-point Protocol Daemon"				-		-		Affected