Yann Ramin ATPhttpd 0.4/0.4b GET Request sockhelp.c sock_gets off-by-one
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.9 | $0-$5k | 0.00 |
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.
Product
Type
Vendor
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: 7.3VulDB Meta Temp Score: 6.9
VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Off-by-oneCWE: CWE-193 / CWE-189
ATT&CK: Unknown
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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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
10/13/2002 🔍10/14/2002 🔍
12/31/2002 🔍
12/31/2002 🔍
06/29/2005 🔍
08/04/2014 🔍
06/10/2018 🔍
Sources
Advisory: archives.neohapsis.comStatus: Not defined
CVE: CVE-2002-1816 (🔍)
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
Entry
Created: 08/04/2014 17:06Updated: 06/10/2018 08:53
Changes: 08/04/2014 17:06 (53), 06/10/2018 08:53 (8)
Complete: 🔍
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