Insecure temporary directory in PyInstaller
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-49797 |
| CWE-ID | CWE-379 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
pyinstaller Universal components / Libraries / Libraries used by multiple products |
| Vendor | PyInstaller |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Creation of temporary file in directory with insecure permissions
EUVDB-ID: #VU84379
Risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-49797
CWE-ID:
CWE-379 - Creation of Temporary File in Directory with Insecure Permissions
Exploit availability: No
DescriptionThe vulnerability allows a local user to delete arbitrary files on the system.
The vulnerability exists due to matplotlib and win32com applications use a temporary directory with insecure permissions. A local user can create symbolic links to critical files on the system and delete these files.
Install updates from vendor's website.
Vulnerable software versionspyinstaller: 1.0 - 5.13.0
External linkshttp://github.com/pyinstaller/pyinstaller/security/advisories/GHSA-9w2p-rh8c-v9g5
http://github.com/pyinstaller/pyinstaller/pull/7827
http://github.com/python/cpython/blob/0fb18b02c8ad56299d6a2910be0bab8ad601ef24/Lib/shutil.py#L623
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.
