Yann Ramin ATPhttpd 0.4/0.4b GET Request sockhelp.c sock_gets off-by-one

CVSS Meta Temp Score
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Yann Ramin ATPhttpd 0.4/0.4b. Affected by this vulnerability is the function sock_gets of the file sockhelp.c of the component GET Request Handler. This manipulation causes off-by-one. The identification of this vulnerability is CVE-2002-1816. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability classified as critical was found in Yann Ramin ATPhttpd 0.4/0.4b (Web Server). Affected by this vulnerability is the function sock_gets of the file sockhelp.c of the component GET Request Handler. The manipulation with an unknown input leads to a off-by-one vulnerability. The CWE definition for the vulnerability is CWE-193. A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Off-by-one buffer overflow in the sock_gets function in sockhelp.c for ATPhttpd 0.4b and earlier allows remote attackers to execute arbitrary code via a long HTTP GET request.

The weakness was shared 12/31/2002 (Website). It is possible to read the advisory at archives.neohapsis.com. This vulnerability is known as CVE-2002-1816 since 06/29/2005. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

A public exploit has been developed in ANSI C. It is possible to download the exploit at securityfocus.com. 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 (10362), Exploit-DB (21936), SecurityFocus (BID 5956†) and Secunia (SA7293†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 8.7

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Off-by-one
CWE: CWE-193 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/13/2002 🔍
10/14/2002 +1 days 🔍
12/31/2002 +78 days 🔍
12/31/2002 +0 days 🔍
06/29/2005 +911 days 🔍
08/04/2014 +3323 days 🔍
01/16/2025 +3818 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Status: Not defined

CVE: CVE-2002-1816 (🔍)
GCVE (CVE): GCVE-0-2002-1816
GCVE (VulDB): GCVE-100-19459
X-Force: 10362
SecurityFocus: 5956 - ATP httpd Single Byte Buffer Overflow Vulnerability
Secunia: 7293 - ATPhttpd remotely exploitable buffer overflow, Highly Critical

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

Entryinfo

Created: 08/04/2014 17:06
Updated: 01/16/2025 22:24
Changes: 08/04/2014 17:06 (53), 06/10/2018 08:53 (8), 07/04/2024 06:48 (17), 12/05/2024 03:56 (6), 01/16/2025 22:24 (21)
Complete: 🔍
Cache ID: 216::103

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

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