FreeBSD 4.5 ICMP Echo ip_output memory leak

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.0$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in FreeBSD 4.5. This affects the function ip_output of the component ICMP Echo Handler. Executing a manipulation can lead to memory leak. The identification of this vulnerability is CVE-2002-0574. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in FreeBSD 4.5 (Operating System). It has been declared as problematic. This vulnerability affects the function ip_output of the component ICMP Echo Handler. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. CVE summarizes:

Memory leak in FreeBSD 4.5 and earlier allows remote attackers to cause a denial of service (memory exhaustion) via ICMP echo packets that trigger a bug in ip_output() in which the reference count for a routing table entry is not decremented, which prevents the entry from being removed.

The weakness was shared 04/17/2002 (Website). The advisory is available at ftp.freebsd.org. This vulnerability was named CVE-2002-0574. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a exploit are known.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (8893), SecurityFocus (BID 4539†), OSVDB (5232†) and Vulnerability Center (SBV-22761†). The entry VDB-18392 is related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

04/17/2002 🔍
04/17/2002 +0 days 🔍
04/17/2002 +0 days 🔍
04/18/2002 +1 days 🔍
07/03/2002 +76 days 🔍
04/09/2004 +645 days 🔍
07/05/2009 +1913 days 🔍
07/11/2014 +1832 days 🔍
02/11/2017 +946 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: ftp.freebsd.org
Status: Not defined

CVE: CVE-2002-0574 (🔍)
GCVE (CVE): GCVE-0-2002-0574
GCVE (VulDB): GCVE-100-18394
X-Force: 8893
SecurityFocus: 4539 - FreeBSD Routing Table ICMP Echo Reply Denial Of Service Vulnerability
OSVDB: 5232 - FreeBSD ip_output Routing Table ICMP Echo DoS
Vulnerability Center: 22761 - FreeBSD <= 4.5 ICMP ECHO Packets Remote DoS Vulnerability, High

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/11/2014 14:22
Updated: 02/11/2017 10:20
Changes: 07/11/2014 14:22 (53), 02/11/2017 10:20 (9)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!