#VU83509 Untrusted search path in Perl - CVE-2023-47039

Vulnerability identifier: #VU83509

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-47039

CWE-ID: CWE-426

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Perl
Universal components / Libraries / Scripting languages

Vendor: Perl

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to usage of an untrusted search path. An attacker with limited privileges can exploit this behavior by placing cmd.exe in locations with weak permissions, such as C:\ProgramData.

The vulnerability affects Windows installations only.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Perl: 5.38.0

---

External links
https://metacpan.org/release/PEVANS/perl-5.38.1/view/pod/perldelta.pod

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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