Vulnerability Details : CVE-2020-21817
Potential exploit
A null pointer dereference issue exists in GNU LibreDWG 0.10.2641 via htmlescape ../../programs/escape.c:29. which causes a denial of service (application crash).
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2020-21817
- cpe:2.3:a:gnu:libredwg:0.10.2641:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-21817
0.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 44 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-21817
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-21817
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-21817
-
https://github.com/LibreDWG/libredwg/issues/182#issue-547887727
Several bugs found by fuzzing · Issue #182 · LibreDWG/libredwg · GitHubExploit;Issue Tracking;Patch;Third Party Advisory
-
http://gnu.com
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