Security restrictions bypass in python-cryptography
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-23931 |
| CWE-ID | CWE-388 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
python-cryptography Universal components / Libraries / Programming Languages & Components |
| Vendor | Python Cryptographic Authority |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Error Handling
EUVDB-ID: #VU72036
Risk: Low
CVSSv3.1: 2 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-23931
CWE-ID:
CWE-388 - Error Handling
Exploit availability: No
DescriptionThe vulnerability allows an attacker to misuse Python API.
The vulnerability exists due to a soundness bug within the Cipher.update_into function, which can allow immutable objects (such as bytes) to be mutated. A malicious programmer can misuse Python API to introduce unexpected behavior into the application.
Install updates from vendor's website.
Vulnerable software versionspython-cryptography: 0.8 - 39.0.0
External linkshttp://github.com/pyca/cryptography/security/advisories/GHSA-w7pp-m8wf-vj6r
http://github.com/pyca/cryptography/pull/8230/commits/94a50a9731f35405f0357fa5f3b177d46a726ab3
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.
