#VU79635 Double Free in Shapelib - CVE-2022-0699

Vulnerability identifier: #VU79635

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-0699

CWE-ID: CWE-415

Exploitation vector: Network

Exploit availability: No

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

Vendor: trac.osgeo.org

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in contrib/shpsort.c. A remote attacker can pass specially crafted data to the application, trigger double free error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Shapelib: 1.5.0

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External links
https://github.com/OSGeo/shapelib/issues/39
https://github.com/OSGeo/shapelib/commit/c75b9281a5b9452d92e1682bdfe6019a13ed819f
https://github.com/OSGeo/shapelib/releases/tag/v1.6.0

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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.