UBUNTU-CVE-2015-0837

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Source
https://ubuntu.com/security/CVE-2015-0837
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-0837.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2015-0837
Upstream
Downstream
Related
Published
2015-03-02T00:00:00Z
Modified
2025-07-16T08:17:31.058484Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by leveraging timing differences when accessing a pre-computed table during modular exponentiation, related to a "Last-Level Cache Side-Channel Attack."

References

Affected packages

Ubuntu:14.04:LTS / gnupg

Package

Name
gnupg
Purl
pkg:deb/ubuntu/gnupg@1.4.16-1ubuntu2.3?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.4.16-1ubuntu2.3

Affected versions

1.*

1.4.14-1ubuntu2
1.4.15-1.1ubuntu1
1.4.15-1.1ubuntu2
1.4.15-2ubuntu1
1.4.16-1ubuntu1
1.4.16-1ubuntu2
1.4.16-1ubuntu2.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "gnupg",
            "binary_version": "1.4.16-1ubuntu2.3"
        },
        {
            "binary_name": "gnupg-curl",
            "binary_version": "1.4.16-1ubuntu2.3"
        },
        {
            "binary_name": "gnupg-udeb",
            "binary_version": "1.4.16-1ubuntu2.3"
        },
        {
            "binary_name": "gpgv",
            "binary_version": "1.4.16-1ubuntu2.3"
        },
        {
            "binary_name": "gpgv-udeb",
            "binary_version": "1.4.16-1ubuntu2.3"
        }
    ]
}

Ubuntu:14.04:LTS / libgcrypt11

Package

Name
libgcrypt11
Purl
pkg:deb/ubuntu/libgcrypt11@1.5.3-2ubuntu4.2?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.3-2ubuntu4.2

Affected versions

1.*

1.5.0-3ubuntu3
1.5.3-2ubuntu1
1.5.3-2ubuntu4
1.5.3-2ubuntu4.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libgcrypt11",
            "binary_version": "1.5.3-2ubuntu4.2"
        },
        {
            "binary_name": "libgcrypt11-dbg",
            "binary_version": "1.5.3-2ubuntu4.2"
        },
        {
            "binary_name": "libgcrypt11-dev",
            "binary_version": "1.5.3-2ubuntu4.2"
        },
        {
            "binary_name": "libgcrypt11-doc",
            "binary_version": "1.5.3-2ubuntu4.2"
        },
        {
            "binary_name": "libgcrypt11-udeb",
            "binary_version": "1.5.3-2ubuntu4.2"
        }
    ]
}

Ubuntu:14.04:LTS / libgcrypt20

Package

Name
libgcrypt20
Purl
pkg:deb/ubuntu/libgcrypt20@1.6.1-2ubuntu1.14.04.1?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.6.1-2ubuntu1.14.04.1

Affected versions

1.*

1.6.0-2
1.6.0-2ubuntu2
1.6.1-1
1.6.1-2
1.6.1-2ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libgcrypt20",
            "binary_version": "1.6.1-2ubuntu1.14.04.1"
        },
        {
            "binary_name": "libgcrypt20-dbg",
            "binary_version": "1.6.1-2ubuntu1.14.04.1"
        },
        {
            "binary_name": "libgcrypt20-dev",
            "binary_version": "1.6.1-2ubuntu1.14.04.1"
        },
        {
            "binary_name": "libgcrypt20-doc",
            "binary_version": "1.6.1-2ubuntu1.14.04.1"
        }
    ]
}