Vulnerability Details : CVE-2020-21841
A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via bit_read_B ../../src/bits.c:135.
Vulnerability category: OverflowMemory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2020-21841
Probability of exploitation activity in the next 30 days: 0.47%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 73 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-21841
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2020-21841
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The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-21841
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http://gnu.com
GNU Snowboards 2020-2021 | GNU SnowboardsNot Applicable
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https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493775
Several bugs found by fuzzing · Issue #188 · LibreDWG/libredwg · GitHubExploit;Issue Tracking;Patch;Third Party Advisory
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http://libredwg.com
Broken Link
Products affected by CVE-2020-21841
- cpe:2.3:a:gnu:libredwg:0.10:*:*:*:*:*:*:*