CVE-2013-1895
Apache Py-Bcrypt Authentication Bypass Vulnerability
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.
INFO
Published Date :
Jan. 28, 2020, 3:15 p.m.
Last Modified :
Feb. 4, 2020, 4:49 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2013-1895 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2013-1895.
| URL | Resource |
|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101382.html | Third Party Advisory Tool Signature |
| http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101387.html | Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2013/03/26/2 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/58702 | Third Party Advisory VDB Entry |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/83039 | Third Party Advisory VDB Entry |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
demo exploit against pybcrypt
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2013-1895 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2013-1895 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Feb. 04, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101382.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101382.html Third Party Advisory, Tool Signature Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101387.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101387.html Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2013/03/26/2 No Types Assigned http://www.openwall.com/lists/oss-security/2013/03/26/2 Mailing List, Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/58702 No Types Assigned http://www.securityfocus.com/bid/58702 Third Party Advisory, VDB Entry Changed Reference Type https://exchange.xforce.ibmcloud.com/vulnerabilities/83039 No Types Assigned https://exchange.xforce.ibmcloud.com/vulnerabilities/83039 Third Party Advisory, VDB Entry Added CWE NIST CWE-307 Added CPE Configuration OR *cpe:2.3:a:python:py-bcrypt:*:*:*:*:*:*:*:* versions up to (excluding) 0.3 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:17:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:* -
Initial Analysis by [email protected]
Feb. 04, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101382.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101382.html Third Party Advisory, Tool Signature Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101387.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101387.html Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2013/03/26/2 No Types Assigned http://www.openwall.com/lists/oss-security/2013/03/26/2 Mailing List, Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/58702 No Types Assigned http://www.securityfocus.com/bid/58702 Third Party Advisory, VDB Entry Changed Reference Type https://exchange.xforce.ibmcloud.com/vulnerabilities/83039 No Types Assigned https://exchange.xforce.ibmcloud.com/vulnerabilities/83039 Third Party Advisory, VDB Entry Added CWE NIST CWE-307 Added CPE Configuration OR *cpe:2.3:a:python:py-bcrypt:*:*:*:*:*:*:*:* versions up to (excluding) 0.3 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:17:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2013-1895 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2013-1895
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.64 }} -0.08%
score
0.87626
percentile