VDB-143972 · CVE-2019-18217 · ssa-940889

ProFTPD up to 1.3.6a/1.3.7rc1 Command main.c infinite loop

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in ProFTPD up to 1.3.6a/1.3.7rc1. This issue affects some unknown processing of the file main.c of the component Command Handler. Such manipulation leads to infinite loop. This vulnerability is uniquely identified as CVE-2019-18217. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in ProFTPD up to 1.3.6a/1.3.7rc1 (File Transfer Software). It has been rated as problematic. Affected by this issue is an unknown part of the file main.c of the component Command Handler. The manipulation with an unknown input leads to a infinite loop vulnerability. Using CWE to declare the problem leads to CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. Impacted is availability. CVE summarizes:

ProFTPD before 1.3.6b and 1.3.7rc before 1.3.7rc2 allows remote unauthenticated denial-of-service due to incorrect handling of overly long commands because main.c in a child process enters an infinite loop.

The weakness was disclosed 10/21/2019. This vulnerability is handled as CVE-2019-18217 since 10/21/2019. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 1.3.6b or 1.3.7rc2 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

File Transfer Software

Name

ProFTPD

Version

License

open-source

Website

Product: https://github.com/proftpd/proftpd/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ProFTPD 1.3.6b/1.3.7rc2

Timelineinfo

10/21/2019 🔍
10/21/2019 +0 days 🔍
10/21/2019 +0 days 🔍
01/17/2024 +1549 days 🔍

Sourcesinfo

Product: github.com

Advisory: ssa-940889
Status: Not defined

CVE: CVE-2019-18217 (🔍)
GCVE (CVE): GCVE-0-2019-18217
GCVE (VulDB): GCVE-100-143972

Entryinfo

Created: 10/21/2019 08:03
Updated: 01/17/2024 10:01
Changes: 10/21/2019 08:03 (37), 10/21/2019 08:08 (18), 01/17/2024 09:58 (5), 01/17/2024 10:01 (1)
Complete: 🔍
Cache ID: 216::103