Improper Enforcement of Message Integrity During Transmission in a Communication Channel Affecting github.com/vapor/postgres-nio package, versions <1.14.2


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.2% (59th percentile)

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  • Snyk ID SNYK-SWIFT-VAPORPOSTGRESNIO-5507294
  • published 10 May 2023
  • disclosed 9 May 2023
  • credit fabianfett, gwynne

How to fix?

Upgrade vapor/postgres-nio to version 1.14.2 or higher.

Overview

Affected versions of this package are vulnerable to Improper Enforcement of Message Integrity During Transmission in a Communication Channel when the connection to servers with TLS enabled, a man-in-the-middle attacker can inject false responses to the client's first few queries. Exploiting this vulnerability is possible despite the use of TLS certificate verification and encryption.

CVSS Scores

version 3.1
Expand this section

Snyk

5.9 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None
Expand this section

NVD

5.9 medium