Core FTP 2.2 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Core FTP 2.2. Affected by this vulnerability is an unknown functionality. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2014-4643. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Core FTP 2.2. It has been rated as critical. Affected by this issue is an unknown part. 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 availability. CVE summarizes:

Multiple heap-based buffer overflows in the client in Core FTP LE 2.2 build 1798 allow remote FTP servers to cause a denial of service (application crash) and possibly execute arbitrary code via a long string in a reply to a (1) USER, (2) PASS, (3) PASV, (4) SYST, (5) PWD, or (6) CDUP command.

The weakness was released 06/25/2014 by Gabor Seljan (Website). The advisory is shared for download at exploit-db.com. This vulnerability is handled as CVE-2014-4643 since 06/25/2014. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Gabor Seljan in Python and been published even before and not after the advisory. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 122788 (Core FTP LE Command Processing Heap Overflow Vulnerability).

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 Exploit-DB (33713), SecurityFocus (BID 68020†), OSVDB (108051†), Secunia (SA58818†) and Vulnerability Center (SBV-46874†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/11/2014 🔍
06/11/2014 +0 days 🔍
06/11/2014 +0 days 🔍
06/13/2014 +2 days 🔍
06/23/2014 +10 days 🔍
06/25/2014 +2 days 🔍
06/25/2014 +0 days 🔍
06/25/2014 +0 days 🔍
11/03/2014 +131 days 🔍
03/26/2015 +143 days 🔍
12/15/2024 +3552 days 🔍

Sourcesinfo

Advisory: 127075
Researcher: Gabor Seljan
Status: Confirmed

CVE: CVE-2014-4643 (🔍)
GCVE (CVE): GCVE-0-2014-4643
GCVE (VulDB): GCVE-100-70136
SecurityFocus: 68020 - Core FTP LE Command Processing Multiple Heap Overflow Vulnerabilities
Secunia: 58818 - Core FTP LE Response Processing Buffer Overflow Vulnerability, Moderately Critical
OSVDB: 108051
Vulnerability Center: 46874 - Core FTP LE 2.2 Remote Code Execution and DoS Vulnerabilities, High

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

Entryinfo

Created: 03/26/2015 12:07
Updated: 12/15/2024 10:34
Changes: 03/26/2015 12:07 (57), 06/11/2017 04:52 (13), 03/24/2022 08:48 (3), 12/15/2024 10:34 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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