Home/CVE/A heap-based buffer overflow exists in XML Decompression DecodeTreeBlock in AT&T Labs Xmill 0.7. A crafted input file ca
CVE

CVE-2022-26507

A heap-based buffer overflow exists in XML Decompression DecodeTreeBlock in AT&T Labs Xmill 0.7. A crafted input file ca

A heap-based buffer overflow exists in XML Decompression DecodeTreeBlock in AT&T Labs Xmill 0.7. A crafted input file can lead to remote code execution. This is not the same as any of: CVE-2021-21810, CVE-2021-21811, CVE-2021-21812, CVE-2021-21815, CVE-2021-21825, CVE-2021-21826, CVE-2021-21828, CVE-2021-21829, or CVE-2021-21830.

NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

CRITICAL · CVSS 9.8 EPSS 0.06696
Schedule remediation
  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

5
att xmillall versions
schneider-electric ecostruxure control expert< 15.1
schneider-electric ecostruxure control expertall versions
schneider-electric ecostruxure process expert< 2021
schneider-electric remoteconnectall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Apr 2022 · 01:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

1
cisa-csafcisa-csaf-csaf_files-OT-white-2022-icsa-22-223-03
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://Claroty.comNot ApplicableThird Party Advisory
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-222-02MitigationRelease NotesThird Party Advisory
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