CVE-2021-3520

CRITICAL

9.8

Description

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published6/2/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

lz4_project:lz4netapp:active_iq_unified_managernetapp:cloud_backupnetapp:ontap_select_deploy_administration_utilityoracle:communications_cloud_native_core_policyoracle:zfs_storage_appliance_kitsplunk:universal_forwarder

Weaknesses (CWE)

CWE-190CWE-190CWE-787

References

https://bugzilla.redhat.com/show_bug.cgi?id=1954559(secalert@redhat.com)

https://security.netapp.com/advisory/ntap-20211104-0005/(secalert@redhat.com)

https://www.oracle.com//security-alerts/cpujul2021.html(secalert@redhat.com)

https://www.oracle.com/security-alerts/cpuapr2022.html(secalert@redhat.com)

https://www.oracle.com/security-alerts/cpuoct2021.html(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=1954559(af854a3a-2127-422b-91ae-364da2661108)

https://security.netapp.com/advisory/ntap-20211104-0005/(af854a3a-2127-422b-91ae-364da2661108)

https://www.oracle.com//security-alerts/cpujul2021.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.oracle.com/security-alerts/cpuapr2022.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.oracle.com/security-alerts/cpuoct2021.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.