Use After Free Affecting gnutls package, versions <3.7.1-r0


Severity

Recommended
0.0
critical
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.67% (80th percentile)

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  • Snyk ID SNYK-ALPINE316-GNUTLS-2842685
  • published 13 Mar 2021
  • disclosed 12 Mar 2021

How to fix?

Upgrade Alpine:3.16 gnutls to version 3.7.1-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnutls package and not the gnutls package as distributed by Alpine. See How to fix? for Alpine:3.16 relevant fixed versions and status.

A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and other potential consequences.

References

CVSS Scores

version 3.1
Expand this section

NVD

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

SUSE

7.4 high
Expand this section

Red Hat

3.7 low