CVE-2016-1494

CVSS V2 Medium 5 CVSS V3 Medium 5.3
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.
Overview
  • CVE ID
  • CVE-2016-1494
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2016-01-13T15:59:02
  • Last Modified Date
  • 2019-05-31T17:27:06
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:python:rsa:*:*:*:*:*:python:*:* 1 OR 3.3
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
http://www.openwall.com/lists/oss-security/2016/01/05/3 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/05/1 Mailing List Third Party Advisory
https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/ Exploit Third Party Advisory
https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff Patch Third Party Advisory
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.securityfocus.com/bid/79829 Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-1494
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1494
History
Created Old Value New Value Data Type Notes
2022-05-10 07:51:08 Added to TrackCVE
2022-12-02 07:54:50 2016-01-13T15:59Z 2016-01-13T15:59:02 CVE Published Date updated
2022-12-02 07:54:50 2019-05-31T17:27:06 CVE Modified Date updated
2022-12-02 07:54:50 Analyzed Vulnerability Status updated