haxx libcurl CVE-2020-8285 vulnerability in Haxx and Other Products
Published on December 14, 2020

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curl 7.21.0 to and including 7.73.0 is vulnerable to uncontrolled recursion due to a stack overflow issue in FTP wildcard match parsing.

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Vulnerability Analysis

CVE-2020-8285 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. An automatable proof of concept (POC) exploit exists. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Weakness Type

What is a Stack Exhaustion Vulnerability?

The product does not properly control the amount of recursion which takes place, consuming excessive resources, such as allocated memory or the program stack.

CVE-2020-8285 has been classified to as a Stack Exhaustion vulnerability or weakness.


Products Associated with CVE-2020-8285

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2020-8285 are published in these products:

 
 
 
 
 
 
 
 
 
 
 
 
 

Exploit Probability

EPSS
0.74%
Percentile
73.09%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.