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NVD Vulnerability Details :
CVE-2015-7744
Deferred
More InfoOfficial Page
Source-cve@mitre.org
View Known Exploited Vulnerability (KEV) details
Published At-22 Jan, 2016 | 15:59
Updated At-12 Apr, 2025 | 10:46

wolfSSL (formerly CyaSSL) before 3.6.8 does not properly handle faults associated with the Chinese Remainder Theorem (CRT) process when allowing ephemeral key exchange without low memory optimizations on a server, which makes it easier for remote attackers to obtain private RSA keys by capturing TLS handshakes, aka a Lenstra attack.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.15.9MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary2.02.6LOW
AV:N/AC:H/Au:N/C:P/I:N/A:N
Type: Primary
Version: 3.1
Base score: 5.9
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Type: Primary
Version: 2.0
Base score: 2.6
Base severity: LOW
Vector:
AV:N/AC:H/Au:N/C:P/I:N/A:N
CPE Matches
wolfssl
wolfssl
>>wolfssl>>Versions before 3.6.8(exclusive)
cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*
openSUSE
opensuse
>>leap>>42.1
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
openSUSE
opensuse
>>opensuse>>13.1
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
openSUSE
opensuse
>>opensuse>>13.2
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
MariaDB Foundation
mariadb
>>mariadb>>Versions from 5.5.0(inclusive) to 5.5.46(exclusive)
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
MariaDB Foundation
mariadb
>>mariadb>>Versions from 10.0.0(inclusive) to 10.0.22(exclusive)
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
MariaDB Foundation
mariadb
>>mariadb>>Versions from 10.1.0(inclusive) to 10.1.9(exclusive)
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
NVD-CWE-noinfoPrimarynvd@nist.gov
CWE ID: NVD-CWE-noinfo
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00015.htmlcve@mitre.org
Mailing List
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00016.htmlcve@mitre.org
Mailing List
Third Party Advisory
http://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.htmlcve@mitre.org
Release Notes
Vendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlcve@mitre.org
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.htmlcve@mitre.org
Vendor Advisory
http://www.securitytracker.com/id/1034708cve@mitre.org
Broken Link
Third Party Advisory
VDB Entry
https://people.redhat.com/~fweimer/rsa-crt-leaks.pdfcve@mitre.org
Exploit
Third Party Advisory
https://securityblog.redhat.com/2015/09/02/factoring-rsa-keys-with-tls-perfect-forward-secrecy/cve@mitre.org
Exploit
Third Party Advisory
https://wolfssl.com/wolfSSL/Blog/Entries/2015/9/17_Two_Vulnerabilities_Recently_Found%2C_An_Attack_on_RSA_using_CRT_and_DoS_Vulnerability_With_DTLS.htmlcve@mitre.org
Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00015.htmlaf854a3a-2127-422b-91ae-364da2661108
Mailing List
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00016.htmlaf854a3a-2127-422b-91ae-364da2661108
Mailing List
Third Party Advisory
http://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.htmlaf854a3a-2127-422b-91ae-364da2661108
Release Notes
Vendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlaf854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.htmlaf854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.securitytracker.com/id/1034708af854a3a-2127-422b-91ae-364da2661108
Broken Link
Third Party Advisory
VDB Entry
https://people.redhat.com/~fweimer/rsa-crt-leaks.pdfaf854a3a-2127-422b-91ae-364da2661108
Exploit
Third Party Advisory
https://securityblog.redhat.com/2015/09/02/factoring-rsa-keys-with-tls-perfect-forward-secrecy/af854a3a-2127-422b-91ae-364da2661108
Exploit
Third Party Advisory
https://wolfssl.com/wolfSSL/Blog/Entries/2015/9/17_Two_Vulnerabilities_Recently_Found%2C_An_Attack_on_RSA_using_CRT_and_DoS_Vulnerability_With_DTLS.htmlaf854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Hyperlink: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00015.html
Source: cve@mitre.org
Resource:
Mailing List
Third Party Advisory
Hyperlink: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00016.html
Source: cve@mitre.org
Resource:
Mailing List
Third Party Advisory
Hyperlink: http://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.html
Source: cve@mitre.org
Resource:
Release Notes
Vendor Advisory
Hyperlink: http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
Source: cve@mitre.org
Resource:
Vendor Advisory
Hyperlink: http://www.securitytracker.com/id/1034708
Source: cve@mitre.org
Resource:
Broken Link
Third Party Advisory
VDB Entry
Hyperlink: https://people.redhat.com/~fweimer/rsa-crt-leaks.pdf
Source: cve@mitre.org
Resource:
Exploit
Third Party Advisory
Hyperlink: https://securityblog.redhat.com/2015/09/02/factoring-rsa-keys-with-tls-perfect-forward-secrecy/
Source: cve@mitre.org
Resource:
Exploit
Third Party Advisory
Hyperlink: https://wolfssl.com/wolfSSL/Blog/Entries/2015/9/17_Two_Vulnerabilities_Recently_Found%2C_An_Attack_on_RSA_using_CRT_and_DoS_Vulnerability_With_DTLS.html
Source: cve@mitre.org
Resource:
Vendor Advisory
Hyperlink: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00015.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Mailing List
Third Party Advisory
Hyperlink: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00016.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Mailing List
Third Party Advisory
Hyperlink: http://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Release Notes
Vendor Advisory
Hyperlink: http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Hyperlink: http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Vendor Advisory
Hyperlink: http://www.securitytracker.com/id/1034708
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Broken Link
Third Party Advisory
VDB Entry
Hyperlink: https://people.redhat.com/~fweimer/rsa-crt-leaks.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Third Party Advisory
Hyperlink: https://securityblog.redhat.com/2015/09/02/factoring-rsa-keys-with-tls-perfect-forward-secrecy/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Third Party Advisory
Hyperlink: https://wolfssl.com/wolfSSL/Blog/Entries/2015/9/17_Two_Vulnerabilities_Recently_Found%2C_An_Attack_on_RSA_using_CRT_and_DoS_Vulnerability_With_DTLS.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Vendor Advisory
Change History
0Changes found
Details not found