#VU82309 NULL pointer dereference in libvips - CVE-2023-40032

Vulnerability identifier: #VU82309

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-2023-40032

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

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

Vendor: libvips

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error when parsing a malformed UTF-8 character inside an SVG files. A remote attacker can pass specially crafted SVG file to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libvips: 8.12.0 - 8.14.3

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External links
https://github.com/libvips/libvips/commit/e091d65835966ef56d53a4105a7362cafdb1582b
https://github.com/libvips/libvips/security/advisories/GHSA-33qp-9pq7-9584
https://github.com/libvips/libvips/pull/3604

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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.