ISC DHCPD 3.0/3.0.1 NSUPDATE Option print.c format string

CVSS Meta Temp Score
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CTI Interest Score
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9.3$0-$5k0.00

Summaryinfo

A vulnerability was found in ISC DHCPD 3.0/3.0.1. It has been declared as critical. This vulnerability affects unknown code of the file print.c of the component NSUPDATE Option Handler. Executing a manipulation can lead to format string. This vulnerability is tracked as CVE-2002-0702. Moreover, an exploit is present.

Detailsinfo

A vulnerability has been found in ISC DHCPD 3.0/3.0.1 (Network Management Software) and classified as very critical. This vulnerability affects some unknown processing of the file print.c of the component NSUPDATE Option Handler. The manipulation with an unknown input leads to a format string vulnerability. The CWE definition for the vulnerability is CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Format string vulnerabilities in the logging routines for dynamic DNS code (print.c) of ISC DHCP daemon (DHCPD) 3 to 3.0.1rc8, with the NSUPDATE option enabled, allow remote malicious DNS servers to execute arbitrary code via format strings in a DNS server response.

The weakness was disclosed 07/26/2002 as confirmed advisory (CERT.org). The advisory is shared for download at cert.org. This vulnerability was named CVE-2002-0702. 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 public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/25/2024).

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 13942 (Mandrake Linux Security Advisory : dhcp (MDKSA-2002:037)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Attack attempts may be identified with Snort ID 2039.

The vulnerability is also documented in the databases at X-Force (9039), Exploit-DB (21440), Tenable (13942), SecurityFocus (BID 4701†) and Vulnerability Center (SBV-1762†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.3

VulDB Base Score: 9.8
VulDB Temp Score: 9.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Format string
CWE: CWE-134 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 13942
Nessus Name: Mandrake Linux Security Advisory : dhcp (MDKSA-2002:037)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Snort ID: 2039
Snort Message: SERVER-OTHER bootp hostname format string attempt
Snort Class: 🔍

Suricata ID: 2102039
Suricata Class: 🔍
Suricata Message: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
ISS Proventia IPS: 🔍

Timelineinfo

07/26/2002 🔍
07/26/2002 +0 days 🔍
07/26/2002 +0 days 🔍
08/24/2003 +394 days 🔍
07/31/2004 +342 days 🔍
07/22/2014 +3643 days 🔍
10/25/2024 +3748 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: cert.org
Status: Confirmed

CVE: CVE-2002-0702 (🔍)
GCVE (CVE): GCVE-0-2002-0702
GCVE (VulDB): GCVE-100-18472
CERT: 🔍
X-Force: 9039
SecurityFocus: 4701
Vulnerability Center: 1762 - Format String in ISC DHCPD with the NSUPDATE Enabled, Critical

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

Entryinfo

Created: 07/22/2014 20:18
Updated: 10/25/2024 03:26
Changes: 07/22/2014 20:18 (41), 10/17/2016 11:35 (31), 06/27/2021 13:32 (3), 07/04/2024 13:23 (24), 10/25/2024 03:26 (1)
Complete: 🔍
Cache ID: 216::103

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