CVE-2018-14524 : dwg_decode_eed in decode.c in GNU LibreDWG before 0.6 leads to a double free (in

dwg_decode_eed in decode.c in GNU LibreDWG before 0.6 leads to a double free (in dwg_free_eed in free.c) because it does not properly manage the obj->eed value after a free occurs.

Published 2018-07-23 08:29:01

Updated 2018-08-20 15:42:53

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2018-14524

GNU » Libredwg
Versions before (<) 0.6
cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2018-14524

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 27 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-14524

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
6.5	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2018-14524

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)

Vendor statements for CVE-2018-14524

libredwg 2018-08-13

This issue has been resolved in the latest release of libredwg-0.6. See https://savannah.gnu.org/forum/forum.php?forum_id=9211.

References for CVE-2018-14524

https://savannah.gnu.org/forum/forum.php?forum_id=9211

LibreDWG - News: libredwg-0.6 released [alpha] [Savannah]
Release Notes;Patch
https://github.com/LibreDWG/libredwg/issues/33

double free in dwg_free · Issue #33 · LibreDWG/libredwg · GitHub
Issue Tracking;Third Party Advisory