Efingerd 1.3/1.6.1 Hostname memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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10.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Efingerd 1.3/1.6.1. It has been classified as critical. This affects an unknown function of the component Hostname Handler. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2002-0423. There is no exploit available.

Detailsinfo

A vulnerability has been found in Efingerd 1.3/1.6.1 and classified as very critical. Affected by this vulnerability is an unknown code block of the component Hostname Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in efingerd 1.5 and earlier, and possibly up to 1.61, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a finger request from an IP address with a long hostname that is obtained via a reverse DNS lookup.

The weakness was shared 08/12/2002 (Website). It is possible to read the advisory at archives.neohapsis.com. This vulnerability is known as CVE-2002-0423. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/07/2018).

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 (8380) and SecurityFocus (BID 4239†). The entry VDB-18500 is related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 10.0

VulDB Base Score: 10.0
VulDB Temp Score: 10.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/06/2002 🔍
08/12/2002 +159 days 🔍
08/12/2002 +0 days 🔍
07/22/2014 +4362 days 🔍
06/07/2018 +1416 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2002-0423 (🔍)
GCVE (CVE): GCVE-0-2002-0423
GCVE (VulDB): GCVE-100-18499
X-Force: 8380 - efingerd reverse-lookup buffer overflow
SecurityFocus: 4239 - EFingerD Reverse Resolver Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 07/22/2014 20:55
Updated: 06/07/2018 09:08
Changes: 07/22/2014 20:55 (47), 06/07/2018 09:08 (6)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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