#VU89094 Insecure Temporary File in Eternal Terminal - CVE-2023-23558

Vulnerability identifier: #VU89094

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-23558

CWE-ID: CWE-377

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Eternal Terminal
Other software / Other software solutions

Vendor: MisterTea

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to insecure temporary file handling. A local user can create the "/tmp/.sentry-native-etserver" file with world-writable permissions and gain access to sensitive information stored in it by the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Eternal Terminal: 1.1.1 - 6.2.1

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External links
https://bugzilla.suse.com/show_bug.cgi?id=1207126
https://github.com/MisterTea/EternalTerminal
https://www.openwall.com/lists/oss-security/2023/02/16/1

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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.