Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2021-27218

Disclosure Date: February 15, 2021
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

An issue was discovered in GNOME GLib before 2.66.7 and 2.67.x before 2.67.4. If g_byte_array_new_take() was called with a buffer of 4GB or more on a 64-bit platform, the length would be truncated modulo 2**32, causing unintended length truncation.

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CVSS V3 Severity and Metrics
Base Score:
7.5 High
Impact Score:
3.6
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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

General Information

Vendors

  • broadcom,
  • debian,
  • fedoraproject,
  • gnome,
  • netapp

Products

  • active iq unified manager -,
  • brocade fabric operating system firmware -,
  • cloud backup -,
  • debian linux 9.0,
  • e-series performance analyzer -,
  • fedora 33,
  • fedora 34,
  • glib

References

Additional Info

Technical Analysis