CVE-2020-21840

A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via bit_search_sentinel ../../src/bits.c:1985.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://gnu.com	Not Applicable
http://libredwg.com	Broken Link
https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493513	Exploit Issue Tracking Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:libredwg:0.10:*:*:*:*:*:*:*

History

21 May 2021, 18:54

Type	Values Removed	Values Added
CWE		CWE-787
CPE		cpe:2.3:a:gnu:libredwg:0.10:::::::*
References	~~(MISC) http://libredwg.com -~~	(MISC) http://libredwg.com - Broken Link
References	~~(MISC) http://gnu.com -~~	(MISC) http://gnu.com - Not Applicable
References	~~(MISC) https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493513 -~~	(MISC) https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493513 - Exploit, Issue Tracking, Patch, Third Party Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.8 v3 : 8.8

17 May 2021, 21:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-05-17 21:15

Updated : 2023-12-10 13:55

NVD link : CVE-2020-21840

Mitre link : CVE-2020-21840

CVE.ORG link : CVE-2020-21840

JSON object : View

Products Affected

gnu

libredwg

CWE

CWE-787

Out-of-bounds Write

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