Veracode Vulnerability DatabaseVERACODE:3294Carry Propagation
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
bouncycastle is vulnerable to carry propagation bugs. This bug caused mathematical miscalculations during static Elliptic Curve Diffie Hellman which in rare cases for it to miscalculate elliptic curve scalar multiplication. This allows a malicious user in certain cases to obtain the key.
References
access.redhat.com/errata/RHSA-2018:2669
access.redhat.com/errata/RHSA-2018:2927
github.com/bcgit/bc-java/commit/790642084c4e0cadd47352054f868cc8397e2c00#diff-e5934feac8203ca0104ab291a3560a31
security.netapp.com/advisory/ntap-20181127-0004/
vigilance.fr/vulnerability/Bouncy-Castle-multiple-vulnerabilities-21455
www.bouncycastle.org/releasenotes.html
www.oracle.com/security-alerts/cpuoct2020.html
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N