CVE-2013-1895

HIGH

py-bcrypt < 0.3 - Authentication Bypass via Concurrent Memory Access

Title source: llm
STIX 2.1

Description

The py-bcrypt module before 0.3 for Python does not properly handle concurrent memory access, which allows attackers to bypass authentication via multiple authentication requests, which trigger the password hash to be overwritten.

References (5)

Core 5
Core References
Mailing List, Third Party Advisory x_refsource_misc
http://www.openwall.com/lists/oss-security/2013/03/26/2
Third Party Advisory, Tool Signature x_refsource_misc
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101382.html
Third Party Advisory, VDB Entry x_refsource_misc
http://www.securityfocus.com/bid/58702
Third Party Advisory, VDB Entry x_refsource_misc
https://exchange.xforce.ibmcloud.com/vulnerabilities/83039

Scores

CVSS v3 7.5
EPSS 0.0118
EPSS Percentile 79.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-307
Status published
Products (4)
fedoraproject/fedora 17
fedoraproject/fedora 18
pypi/py-bcrypt 0 - 0.3PyPI
python/py-bcrypt < 0.3
Published Jan 28, 2020
Tracked Since Feb 18, 2026