UBUNTU-CVE-2016-2167

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Source
https://ubuntu.com/security/CVE-2016-2167
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2167.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2016-2167
Upstream
Downstream
Related
Published
2016-05-05T00:00:00Z
Modified
2025-09-08T16:43:37Z
Severity
  • 6.8 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

The canonicalizeusername function in svnserve/cyrusauth.c in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4, when Cyrus SASL authentication is used, allows remote attackers to authenticate and bypass intended access restrictions via a realm string that is a prefix of an expected repository realm string.

References

Affected packages

Ubuntu:14.04:LTS / subversion

Package

Name
subversion
Purl
pkg:deb/ubuntu/subversion@1.8.8-1ubuntu3.3?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.8.8-1ubuntu3.3

Affected versions

1.*

1.7.9-1+nmu6ubuntu3
1.7.13-2ubuntu1
1.7.13-2ubuntu2
1.7.13-2ubuntu3
1.7.14-1ubuntu2
1.8.5-2ubuntu3
1.8.8-1ubuntu2
1.8.8-1ubuntu3
1.8.8-1ubuntu3.1
1.8.8-1ubuntu3.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libapache2-mod-svn",
            "binary_version": "1.8.8-1ubuntu3.3"
        },
        {
            "binary_name": "libapache2-svn",
            "binary_version": "1.8.8-1ubuntu3.3"
        },
        {
            "binary_name": "libsvn-dev",
            "binary_version": "1.8.8-1ubuntu3.3"
        },
        {
            "binary_name": "libsvn-java",
            "binary_version": "1.8.8-1ubuntu3.3"
        },
        {
            "binary_name": "libsvn-perl",
            "binary_version": "1.8.8-1ubuntu3.3"
        },
        {
            "binary_name": "libsvn-ruby1.8",
            "binary_version": "1.8.8-1ubuntu3.3"
        },
        {
            "binary_name": "libsvn1",
            "binary_version": "1.8.8-1ubuntu3.3"
        },
        {
            "binary_name": "python-subversion",
            "binary_version": "1.8.8-1ubuntu3.3"
        },
        {
            "binary_name": "ruby-svn",
            "binary_version": "1.8.8-1ubuntu3.3"
        },
        {
            "binary_name": "subversion",
            "binary_version": "1.8.8-1ubuntu3.3"
        },
        {
            "binary_name": "subversion-tools",
            "binary_version": "1.8.8-1ubuntu3.3"
        }
    ]
}

Ubuntu:16.04:LTS / subversion

Package

Name
subversion
Purl
pkg:deb/ubuntu/subversion@1.9.3-2ubuntu1.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.9.3-2ubuntu1.1

Affected versions

1.*

1.8.13-1ubuntu3
1.9.2-3ubuntu1
1.9.2-3ubuntu2
1.9.3-1ubuntu1
1.9.3-2ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libapache2-mod-svn",
            "binary_version": "1.9.3-2ubuntu1.1"
        },
        {
            "binary_name": "libapache2-svn",
            "binary_version": "1.9.3-2ubuntu1.1"
        },
        {
            "binary_name": "libsvn-dev",
            "binary_version": "1.9.3-2ubuntu1.1"
        },
        {
            "binary_name": "libsvn-java",
            "binary_version": "1.9.3-2ubuntu1.1"
        },
        {
            "binary_name": "libsvn-perl",
            "binary_version": "1.9.3-2ubuntu1.1"
        },
        {
            "binary_name": "libsvn-ruby1.8",
            "binary_version": "1.9.3-2ubuntu1.1"
        },
        {
            "binary_name": "libsvn1",
            "binary_version": "1.9.3-2ubuntu1.1"
        },
        {
            "binary_name": "python-subversion",
            "binary_version": "1.9.3-2ubuntu1.1"
        },
        {
            "binary_name": "ruby-svn",
            "binary_version": "1.9.3-2ubuntu1.1"
        },
        {
            "binary_name": "subversion",
            "binary_version": "1.9.3-2ubuntu1.1"
        },
        {
            "binary_name": "subversion-tools",
            "binary_version": "1.9.3-2ubuntu1.1"
        }
    ]
}