CVE-2022-33033 : LibreDWG v0.12.4.4608 was discovered to contain a double-free via the function dwg_read

LibreDWG v0.12.4.4608 was discovered to contain a double-free via the function dwg_read_file at dwg.c.

Published 2022-06-23 17:15:14

Updated 2022-06-29 14:47:16

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Exploit prediction scoring system (EPSS) score for CVE-2022-33033

Probability of exploitation activity in the next 30 days: 0.08%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 34 % EPSS Score History EPSS FAQ

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
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-415 Double Free

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

Assigned by: nvd@nist.gov (Primary)

https://github.com/LibreDWG/libredwg/issues/493

double-free exists in the function dwg_read_file in dwg.c · Issue #493 · LibreDWG/libredwg · GitHub
Exploit;Issue Tracking;Third Party Advisory

GNU » Libredwg » Version: 0.12.4.4608
cpe:2.3:a:gnu:libredwg:0.12.4.4608:*:*:*:*:*:*:*
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