Information disclosure in Python
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-40217 |
| CWE-ID | CWE-319 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Python Universal components / Libraries / Scripting languages |
| Vendor | Python.org |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Cleartext transmission of sensitive information
EUVDB-ID: #VU80228
Risk: Medium
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-40217
CWE-ID:
CWE-319 - Cleartext Transmission of Sensitive Information
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to an error in ssl.SSLSocket implementation when handling TLS client authentication. A remote attacker can trick the application to send data unencrypted.
Install updates from vendor's website.
Vulnerable software versionsPython: 3.8.0 - 3.11.4
External linkshttp://mail.python.org/archives/list/security-announce@python.org/thread/PEPLII27KYHLF4AK3ZQGKYNCRERG4YXY/
http://docs.python.org/3.11/whatsnew/changelog.html#python-3-11-5-final
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.
