#VU24462 Memory leak in LibreDWG - CVE-2020-6610

Vulnerability identifier: #VU24462

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-6610

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
LibreDWG
Universal components / Libraries / Libraries used by multiple products

Vendor: GNU

Description
The vulnerability allows a remote attacker to perform (DoS) attack on the target system.

The vulnerability exists due to memory leak in "read_sections_map" in decode_r2007.c. A remote attacker can perform denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LibreDWG: 0.9.3.2564

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External links
https://github.com/LibreDWG/libredwg/issues/179#issuecomment-570447120

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.