CVE-2016-1494
Python-RSA BERserk Signature Spoofing Vulnerability
Description
The verify function in the RSA package for Python (Python-RSA) before 3.3 allows attackers to spoof signatures with a small public exponent via crafted signature padding, aka a BERserk attack.
INFO
Published Date :
Jan. 13, 2016, 3:59 p.m.
Last Modified :
May 31, 2019, 5:27 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2016-1494 has a 5 public PoC/Exploit
available at Github.
Go to the Public Exploits
tab to see the list.
Affected Products
The following products are affected by CVE-2016-1494
vulnerability.
Even if cvefeed.io
is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
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-2016-1494
.
URL | Resource |
---|---|
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175897.html | Third Party Advisory |
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175942.html | Third Party Advisory |
http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html | Mailing List Third Party Advisory |
http://www.openwall.com/lists/oss-security/2016/01/05/1 | Mailing List Third Party Advisory |
http://www.openwall.com/lists/oss-security/2016/01/05/3 | Mailing List Third Party Advisory |
http://www.securityfocus.com/bid/79829 | Third Party Advisory VDB Entry |
https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff | Patch Third Party Advisory |
https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/ | Exploit Third Party Advisory |
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).
None
None
Python
Exploit of the CVE-2016-1494 allowing to forge signatures of RSA keys with low exponents
TeX Jupyter Notebook Shell Python HTML PHP
notes and code on past CTFs
ctf
Python C HTML JavaScript
None
Python HTML GCC Machine Description
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-1494
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-1494
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 -
Modified Analysis by [email protected]
May. 31, 2019
Action Type Old Value New Value Changed Reference Type http://www.securityfocus.com/bid/79829 No Types Assigned http://www.securityfocus.com/bid/79829 Third Party Advisory, VDB Entry Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175897.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175897.html Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2016/01/05/1 No Types Assigned http://www.openwall.com/lists/oss-security/2016/01/05/1 Mailing List, Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html No Types Assigned http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2016/01/05/3 No Types Assigned http://www.openwall.com/lists/oss-security/2016/01/05/3 Mailing List, Third Party Advisory Changed Reference Type https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff No Types Assigned https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff Patch, Third Party Advisory Changed Reference Type https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/ Exploit https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/ Exploit, Third Party Advisory Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175942.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175942.html Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:python:python:*:*:*:*:*:*:*:* versions up to (including) 3.2.6 OR *cpe:2.3:a:python:rsa:*:*:*:*:*:python:*:* versions up to (excluding) 3.3 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 20, 2016
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/79829 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 07, 2016
Action Type Old Value New Value Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175897.html [No Types Assigned] Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175942.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html [No Types Assigned] -
Modified Analysis by [email protected]
Jan. 15, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:python:python:3.2.6:*:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:P/A:N) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Changed Reference Type https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/ No Types Assigned https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/ Exploit Added CWE CWE-20 -
Initial Analysis by [email protected]
Jan. 15, 2016
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-1494
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-2016-1494
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.43 }} 0.23%
score
0.74678
percentile