CVE-2020-21840 — HIGH (8.8)

Vulnerability Description

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

CVSS Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Gnu	Libredwg	0.10

Related Weaknesses (CWE)

CWE-787

References

http://gnu.comNot Applicable
http://libredwg.comBroken Link
https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493513ExploitIssue TrackingPatch
http://gnu.comNot Applicable
http://libredwg.comBroken Link
https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493513ExploitIssue TrackingPatch

FAQ

What is CVE-2020-21840?

CVE-2020-21840 is a vulnerability with a CVSS score of 8.8 (HIGH). A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via bit_search_sentinel ../../src/bits.c:1985.

How severe is CVE-2020-21840?

CVE-2020-21840 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-21840?

Check the references section above for vendor advisories and patch information. Affected products include: Gnu Libredwg.