Improper Validation of Integrity Check Value Affecting org.apache.sshd:sshd-common package, versions [,2.12.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.06% (28th percentile)

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  • Snyk ID SNYK-JAVA-ORGAPACHESSHD-7676258
  • published 13 Aug 2024
  • disclosed 12 Aug 2024
  • credit Fabian Bäumer

How to fix?

Upgrade org.apache.sshd:sshd-common to version 2.12.0 or higher.

Overview

Affected versions of this package are vulnerable to Improper Validation of Integrity Check Value through the integrity check process. An attacker can manipulate the communication by intercepting and dropping specific packets, leading to a compromised connection where security features may be downgraded or disabled (Terrapin attack).

Note:

Both the client and the server implementation must have mitigations applied against this issue, otherwise the connection may still be affected.

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

Recommended
8.2 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Attack Requirements (AT)
    Present
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Confidentiality (VC)
    None
  • Integrity (VI)
    High
  • Availability (VA)
    None
  • Confidentiality (SC)
    None
  • Integrity (SI)
    None
  • Availability (SA)
    None