CVE-2021-21828

CRITICAL

9.8

Description

A heap-based buffer overflow vulnerability exists in the XML Decompression DecodeTreeBlock functionality of AT&T Labs Xmill 0.7. In the default case of DecodeTreeBlock a label is created via CurPath::AddLabel in order to track the label for later reference. An attacker can provide a malicious file to trigger this vulnerability.

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

Published8/20/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

att:xmill

Weaknesses (CWE)

CWE-120CWE-787

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1291(talos-cna@cisco.com)

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1291(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.