Buffer Overflow Affecting tftpy package, versions [0,]


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.04% (11th percentile)

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  • Snyk ID SNYK-PYTHON-TFTPY-6728775
  • published 30 Apr 2024
  • disclosed 29 Apr 2024
  • credit grandnew

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

tftpy is a Python TFTP library

Affected versions of this package are vulnerable to Buffer Overflow due to the parse function in the TftpPacketFactory class, on the parse of a packet with a length less than 2. An attacker can cause a denial of service by sending specially crafted packets.

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High