UBUNTU-CVE-2015-7940

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Source
https://ubuntu.com/security/CVE-2015-7940
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-7940.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2015-7940
Upstream
Downstream
Related
Published
2015-11-09T00:00:00Z
Modified
2025-07-16T07:48:58.851509Z
Severity
  • Ubuntu - low
Summary
[none]
Details

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."

References

Affected packages

Ubuntu:14.04:LTS / bouncycastle

Package

Name
bouncycastle
Purl
pkg:deb/ubuntu/bouncycastle@1.49+dfsg-2ubuntu0.1?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.49+dfsg-2ubuntu0.1

Affected versions

1.*

1.48+dfsg-2
1.49+dfsg-2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libbcmail-java",
            "binary_version": "1.49+dfsg-2ubuntu0.1"
        },
        {
            "binary_name": "libbcmail-java-doc",
            "binary_version": "1.49+dfsg-2ubuntu0.1"
        },
        {
            "binary_name": "libbcpg-java",
            "binary_version": "1.49+dfsg-2ubuntu0.1"
        },
        {
            "binary_name": "libbcpg-java-doc",
            "binary_version": "1.49+dfsg-2ubuntu0.1"
        },
        {
            "binary_name": "libbcpkix-java",
            "binary_version": "1.49+dfsg-2ubuntu0.1"
        },
        {
            "binary_name": "libbcpkix-java-doc",
            "binary_version": "1.49+dfsg-2ubuntu0.1"
        },
        {
            "binary_name": "libbcprov-java",
            "binary_version": "1.49+dfsg-2ubuntu0.1"
        },
        {
            "binary_name": "libbcprov-java-doc",
            "binary_version": "1.49+dfsg-2ubuntu0.1"
        }
    ]
}

Ubuntu:16.04:LTS / bouncycastle

Package

Name
bouncycastle
Purl
pkg:deb/ubuntu/bouncycastle@1.51-4ubuntu1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.51-4ubuntu1

Affected versions

1.*

1.49+dfsg-3ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libbcmail-java",
            "binary_version": "1.51-4ubuntu1"
        },
        {
            "binary_name": "libbcmail-java-doc",
            "binary_version": "1.51-4ubuntu1"
        },
        {
            "binary_name": "libbcpg-java",
            "binary_version": "1.51-4ubuntu1"
        },
        {
            "binary_name": "libbcpg-java-doc",
            "binary_version": "1.51-4ubuntu1"
        },
        {
            "binary_name": "libbcpkix-java",
            "binary_version": "1.51-4ubuntu1"
        },
        {
            "binary_name": "libbcpkix-java-doc",
            "binary_version": "1.51-4ubuntu1"
        },
        {
            "binary_name": "libbcprov-java",
            "binary_version": "1.51-4ubuntu1"
        },
        {
            "binary_name": "libbcprov-java-doc",
            "binary_version": "1.51-4ubuntu1"
        }
    ]
}

Ubuntu:18.04:LTS / bouncycastle

Package

Name
bouncycastle
Purl
pkg:deb/ubuntu/bouncycastle@1.59-1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.59-1

Affected versions

1.*

1.57-1
1.58-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libbcmail-java",
            "binary_version": "1.59-1"
        },
        {
            "binary_name": "libbcmail-java-doc",
            "binary_version": "1.59-1"
        },
        {
            "binary_name": "libbcpg-java",
            "binary_version": "1.59-1"
        },
        {
            "binary_name": "libbcpg-java-doc",
            "binary_version": "1.59-1"
        },
        {
            "binary_name": "libbcpkix-java",
            "binary_version": "1.59-1"
        },
        {
            "binary_name": "libbcpkix-java-doc",
            "binary_version": "1.59-1"
        },
        {
            "binary_name": "libbcprov-java",
            "binary_version": "1.59-1"
        },
        {
            "binary_name": "libbcprov-java-doc",
            "binary_version": "1.59-1"
        }
    ]
}