Ayukov NFTPD up to 2.0 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Ayukov NFTPD up to 2.0. It has been declared as critical. Affected by this issue is some unknown functionality. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2017-15222. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability classified as critical was found in Ayukov NFTPD up to 2.0 (File Transfer Software). This vulnerability affects some unknown processing. 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. CVE summarizes:

Buffer Overflow vulnerability in Ayukov NFTPD 2.0 and earlier allows remote attackers to execute arbitrary code.

The bug was discovered 10/21/2017. The weakness was shared 10/24/2017 as EDB-ID 43025 as not defined exploit (Exploit-DB). The advisory is shared for download at exploit-db.com. This vulnerability was named CVE-2017-15222 since 10/10/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k.

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 (43025) and SecurityFocus (BID 101602†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD 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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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MetaSploit ID: ayukov_nftp.rb
MetaSploit Name: Ayukov NFTP FTP Client Buffer Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

10/10/2017 🔍
10/21/2017 +11 days 🔍
10/21/2017 +0 days 🔍
10/24/2017 +3 days 🔍
10/24/2017 +0 days 🔍
10/24/2017 +0 days 🔍
10/24/2017 +0 days 🔍
10/25/2017 +1 days 🔍
06/29/2024 +2439 days 🔍

Sourcesinfo

Advisory: EDB-ID 43025
Researcher: Berk Cem Göksel
Status: Not defined

CVE: CVE-2017-15222 (🔍)
GCVE (CVE): GCVE-0-2017-15222
GCVE (VulDB): GCVE-100-108604
SecurityFocus: 101602 - Ayukov NFTPD CVE-2017-15222 Stack Buffer Overflow Vulnerability

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

Entryinfo

Created: 10/25/2017 09:17
Updated: 06/29/2024 05:18
Changes: 10/25/2017 09:17 (66), 11/30/2019 15:44 (6), 01/20/2021 16:22 (2), 06/29/2024 05:18 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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