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TalosCVE-2021-21811

HistoryAug 31, 2021 - 5:15 p.m.

CVE-2021-21811

2021-08-3117:15:07

CWE-191

talos

web.nvd.nist.gov

cve-2021-21811

memory corruption

xml-parsing

createlabelorattrib

xmill 0.7

heap buffer overflow

at&t labs

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.5

Confidence

High

EPSS

0.003

Percentile

71.9%

JSON

A memory corruption vulnerability exists in the XML-parsing CreateLabelOrAttrib functionality of AT&T Labs’ Xmill 0.7. A specially crafted XML file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

Affected configurations

Nvd

Vulners

Node

attxmillMatch0.7

VendorProductVersionCPE
attxmill0.7cpe:2.3:a:att:xmill:0.7:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
att	xmill	0.7	cpe:2.3:a:att:xmill:0.7:::::::*

CNA Affected

[
  {
    "product": "AT&T",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "AT&T Labs Xmill 0.7"
      }
    ]
  }
]

References

talosintelligence.com/vulnerability_reports/TALOS-2021-1279

Social References

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.5

Confidence

High

EPSS

0.003

Percentile

71.9%

JSON

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