CVE-2021-21829

A heap-based buffer overflow vulnerability exists in the XML Decompression EnumerationUncompressor::UncompressItem functionality of AT&T Labs’ Xmill 0.7. A specially crafted XMI file can lead to remote code execution. An attacker can provide a malicious file to trigger this vulnerability.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1292	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:att:xmill:0.7:*:*:*:*:*:*:*

History

31 May 2022, 20:21

Type	Values Removed	Values Added
CWE	~~CWE-91~~	CWE-787

26 Aug 2021, 19:29

Type	Values Removed	Values Added
CPE	cpe:2.3:a:att:labs\'_xmill:0.7:::::::*	cpe:2.3:a:att:xmill:0.7:::::::*

23 Aug 2021, 18:38

Type	Values Removed	Values Added
CWE		CWE-91
CPE		cpe:2.3:a:att:labs\'_xmill:0.7:::::::*
References	~~(MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1292 -~~	(MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1292 - Exploit, Third Party Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8

13 Aug 2021, 19:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-08-13 19:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-21829

Mitre link : CVE-2021-21829

CVE.ORG link : CVE-2021-21829

JSON object : View

Products Affected

att

xmill

CWE

CWE-787

Out-of-bounds Write

CWE-122

Heap-based Buffer Overflow

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