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HIGH · 7.5

CVE-2016-1000342

In the Bouncy Castle JCE Provider version 1.55 and earlier ECDSA does not fully validate ASN.1 encoding of signature on verification. It is possible to inject extra elements in the sequence making up ...

Vulnerability Description

In the Bouncy Castle JCE Provider version 1.55 and earlier ECDSA does not fully validate ASN.1 encoding of signature on verification. It is possible to inject extra elements in the sequence making up the signature and still have it validate, which in some cases may allow the introduction of 'invisible' data into a signed structure.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
BouncycastleBc-Java<= 1.55
DebianDebian Linux8.0

Related Weaknesses (CWE)

CWE-347

References

FAQ

What is CVE-2016-1000342?

CVE-2016-1000342 is a vulnerability with a CVSS score of 7.5 (HIGH). In the Bouncy Castle JCE Provider version 1.55 and earlier ECDSA does not fully validate ASN.1 encoding of signature on verification. It is possible to inject extra elements in the sequence making up ...

How severe is CVE-2016-1000342?

CVE-2016-1000342 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2016-1000342?

Check the references section above for vendor advisories and patch information. Affected products include: Bouncycastle Bc-Java, Debian Debian Linux.