CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
10.0 | $0-$5k | 0.00 |
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 vulnerability database at X-Force (8380). The entry 18500 is related to this item.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 10.0
VulDB Base Score: 10.0
VulDB Temp Score: 10.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
03/06/2002 🔍08/12/2002 🔍
08/12/2002 🔍
07/22/2014 🔍
06/07/2018 🔍
Sources
Advisory: archives.neohapsis.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2002-0423 (🔍)
X-Force: 8380 - efingerd reverse-lookup buffer overflow
SecurityFocus: 4239 - EFingerD Reverse Resolver Buffer Overflow Vulnerability
See also: 🔍
Entry
Created: 07/22/2014 20:55Updated: 06/07/2018 09:08
Changes: 07/22/2014 20:55 (47), 06/07/2018 09:08 (6)
Complete: 🔍
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