#VU78756 Path traversal in librsvg - CVE-2023-38633

Vulnerability identifier: #VU78756

Vulnerability risk: Medium

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

CVE-ID: CVE-2023-38633

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

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

Vendor: Gnome Development Team

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the URL decoder. A remote attacker can pass specially crafted URL to the library and read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

librsvg: 2.56.0 - 2.56.90

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External links
https://gitlab.gnome.org/GNOME/librsvg/-/releases/2.56.3
https://bugzilla.suse.com/show_bug.cgi?id=1213502
https://gitlab.gnome.org/GNOME/librsvg/-/issues/996
https://www.openwall.com/lists/oss-security/2023/07/27/1
https://seclists.org/fulldisclosure/2023/Jul/43

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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.