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Vulnerability Details : CVE-2016-1494

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.
Publish Date : 2016-01-13 Last Update Date : 2019-05-31
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 20

- Products Affected By CVE-2016-1494

# Product Type Vendor Product Version Update Edition Language
1 OS Fedoraproject Fedora 22 Version Details Vulnerabilities
2 OS Fedoraproject Fedora 23 Version Details Vulnerabilities
3 OS Opensuse Leap 42.1 Version Details Vulnerabilities
4 OS Opensuse Opensuse 13.1 Version Details Vulnerabilities
5 OS Opensuse Opensuse 13.2 Version Details Vulnerabilities
6 Application Python RSA 1.1 ~~~python~~ Version Details Vulnerabilities
7 Application Python RSA 1.2 ~~~python~~ Version Details Vulnerabilities
8 Application Python RSA 1.3 ~~~python~~ Version Details Vulnerabilities
9 Application Python RSA 1.3.1 ~~~python~~ Version Details Vulnerabilities
10 Application Python RSA 1.3.2 ~~~python~~ Version Details Vulnerabilities
11 Application Python RSA 1.3.3 ~~~python~~ Version Details Vulnerabilities
12 Application Python RSA 2.0 ~~~python~~ Version Details Vulnerabilities
13 Application Python RSA 3.0 ~~~python~~ Version Details Vulnerabilities
14 Application Python RSA 3.0.1 ~~~python~~ Version Details Vulnerabilities
15 Application Python RSA 3.1 ~~~python~~ Version Details Vulnerabilities
16 Application Python RSA 3.1.1 ~~~python~~ Version Details Vulnerabilities
17 Application Python RSA 3.1.2 ~~~python~~ Version Details Vulnerabilities
18 Application Python RSA 3.1.3 ~~~python~~ Version Details Vulnerabilities
19 Application Python RSA 3.1.4 ~~~python~~ Version Details Vulnerabilities
20 Application Python RSA 3.2 ~~~python~~ Version Details Vulnerabilities
21 Application Python RSA 3.2.1 ~~~python~~ Version Details Vulnerabilities
22 Application Python RSA 3.2.2 ~~~python~~ Version Details Vulnerabilities
23 Application Python RSA 3.2.3 ~~~python~~ Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Fedoraproject Fedora 2
Opensuse Leap 1
Opensuse Opensuse 2
Python RSA 18

- References For CVE-2016-1494

http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175897.html
FEDORA FEDORA-2016-70edfbbcef
https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/
http://www.securityfocus.com/bid/79829
BID 79829 Python-RSA CVE-2016-1494 Security Bypass Vulnerability Release Date:2017-04-24
http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html
SUSE openSUSE-SU-2016:0108
http://www.openwall.com/lists/oss-security/2016/01/05/3
MLIST [oss-security] 20160104 Re: CVE Request: python-rsa signature forgery
http://www.openwall.com/lists/oss-security/2016/01/05/1
MLIST [oss-security] 20160105 CVE Request: python-rsa signature forgery
https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff CONFIRM
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175942.html
FEDORA FEDORA-2016-c845706426

- Metasploit Modules Related To CVE-2016-1494

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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