Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-3520

There's a flaw in lz4. An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well.

Published

2021-06-02T13:15:13.170

Last Modified

2024-11-21T06:21:44.987

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-190
  • Type: Secondary
    CWE-190
    CWE-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application lz4_project lz4 < 1.9.4 Yes
Application netapp active_iq_unified_manager - Yes
Application netapp cloud_backup - Yes
Application netapp ontap_select_deploy_administration_utility - Yes
Application oracle communications_cloud_native_core_policy 1.14.0 Yes
Application oracle zfs_storage_appliance_kit 8.8 Yes
Application splunk universal_forwarder < 8.2.12 Yes
Application splunk universal_forwarder < 9.0.6 Yes
Application splunk universal_forwarder 9.1.0 Yes
References