Vulnerability Details : CVE-2015-7940
The Bouncy Castle Java library before 1.51 does not validate a point is withing the elliptic curve, which makes it easier for remote attackers to obtain private keys via a series of crafted elliptic curve Diffie Hellman (ECDH) key exchanges, aka an "invalid curve attack."
Vulnerability category: Information leak
Exploit prediction scoring system (EPSS) score for CVE-2015-7940
Probability of exploitation activity in the next 30 days: 0.25%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 62 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2015-7940
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2015-7940
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The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
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Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-7940
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http://web-in-security.blogspot.ca/2015/09/practical-invalid-curve-attacks.html
On Web-Security and -Insecurity: Practical Invalid Curve AttacksTechnical Description
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https://usn.ubuntu.com/3727-1/
USN-3727-1: Bouncy Castle vulnerabilities | Ubuntu security notices
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http://www.openwall.com/lists/oss-security/2015/10/22/9
oss-security - Re: CVE Request: invalid curve attack on bouncycastleThird Party Advisory;VDB Entry
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https://www.oracle.com/security-alerts/cpuapr2020.html
Oracle Critical Patch Update Advisory - April 2020
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http://www.securitytracker.com/id/1037036
Oracle Enterprise Manager Bugs Let Remote Users Access Data and Local Users Access and Modify Data - SecurityTracker
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http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
Oracle Critical Patch Update - April 2018
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http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
Oracle Critical Patch Update - January 2018
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http://www.securityfocus.com/bid/79091
Bouncy Castle CVE-2015-7940 Information Disclosure Vulnerability
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http://rhn.redhat.com/errata/RHSA-2016-2035.html
RHSA-2016:2035 - Security Advisory - Red Hat Customer Portal
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http://www.debian.org/security/2015/dsa-3417
Debian -- Security Information -- DSA-3417-1 bouncycastle
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http://www.securitytracker.com/id/1037053
Oracle VM VirtualBox Multiple Flaws Let Remote and Local Users Access and Modify Data and Let Local Users Deny Service and Gain Elevated Privileges - SecurityTracker
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http://rhn.redhat.com/errata/RHSA-2016-2036.html
RHSA-2016:2036 - Security Advisory - Red Hat Customer Portal
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http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Oracle Critical Patch Update - October 2017
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http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00012.html
[security-announce] openSUSE-SU-2015:1911-1: important: Security updateThird Party Advisory
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http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
Oracle Critical Patch Update - October 2016Third Party Advisory
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https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
Oracle Critical Patch Update - January 2019
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http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174915.html
[SECURITY] Fedora 22 Update: bouncycastle-1.50-8.fc22
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http://www.openwall.com/lists/oss-security/2015/10/22/7
oss-security - CVE Request: invalid curve attack on bouncycastleThird Party Advisory;VDB Entry
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http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
CPU July 2018
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http://www.securitytracker.com/id/1037046
Oracle PeopleSoft Enterprise PeopleTools Multiple Flaws Let Remote Users Access and Modify Data on the Target System - SecurityTracker
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http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
Oracle Critical Patch Update - July 2017
Products affected by CVE-2015-7940
- cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.55:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.54:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:application_testing_suite:12.5.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:application_testing_suite:12.5.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:application_testing_suite:12.5.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:enterprise_manager_ops_center:12.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:enterprise_manager_ops_center:12.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:virtual_desktop_infrastructure:3.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:bouncycastle:bouncy_castle_crypto_package:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*