CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.9 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in Elif Keir KnFTP 1.0.0. This issue affects an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Multiple stack-based buffer overflows in KnFTP 1.0.0 allow remote attackers to execute arbitrary code via a long string to the (1) USER, (2) PASS, (3) REIN, (4) QUIT, (5) PORT, (6) PASV, (7) TYPE, (8) STRU, (9) MODE, (10) RETR, (11) STOR, (12) APPE, (13) ALLO, (14) REST, (15) RNFR, (16) RNTO, (17) ABOR, (18) DELE, (19) CWD, (20) LIST, (21) NLST, (22) SITE, (23) STST, (24) HELP, (25) NOOP, (26) MKD, (27) RMD, (28) PWD, (29) CDUP, (30) STOU, (31) SNMT, (32) SYST, and (33) XPWD commands.
The weakness was published 09/15/2012 (Website). It is possible to read the advisory at archives.neohapsis.com. The identification of this vulnerability is CVE-2011-5166 since 09/15/2012. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.
The exploit is available at exploit-db.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 (69557) and Exploit-DB (17819).
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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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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Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
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OpenVAS ID: 802034
OpenVAS Name: KnFTPd FTP Server Multiple Commands Remote Buffer Overflow Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
09/05/2011 🔍09/15/2012 🔍
09/15/2012 🔍
09/15/2012 🔍
03/24/2015 🔍
02/21/2019 🔍
Sources
Advisory: archives.neohapsis.comStatus: Not defined
CVE: CVE-2011-5166 (🔍)
X-Force: 69557
Secunia: 45907 - KnFTP FTP Command Processing Buffer Overflow Vulnerability, Highly Critical
OSVDB: 75147
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/24/2015 12:22Updated: 02/21/2019 10:13
Changes: 03/24/2015 12:22 (55), 02/21/2019 10:13 (4)
Complete: 🔍
Submit
Duplicate
- Submit #267089: KnFTP Server 1.0.0 Denial of Service (by fernando.mengali)
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