UBUNTU-CVE-2018-1000001

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Source
https://ubuntu.com/security/CVE-2018-1000001
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1000001.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-1000001
Related
Published
2018-01-11T00:00:00Z
Modified
2025-05-26T16:39:16Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before the destination buffer leading to a buffer underflow and potential code execution.

References

Affected packages

Ubuntu:14.04:LTS / eglibc

Package

Name
eglibc
Purl
pkg:deb/ubuntu/eglibc@2.19-0ubuntu6.14?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.19-0ubuntu6.14

Affected versions

2.*

2.17-93ubuntu4
2.18-0ubuntu1
2.18-0ubuntu2
2.18-0ubuntu4
2.18-0ubuntu5
2.18-0ubuntu6
2.18-0ubuntu7
2.19-0ubuntu2
2.19-0ubuntu3
2.19-0ubuntu4
2.19-0ubuntu5
2.19-0ubuntu6
2.19-0ubuntu6.1
2.19-0ubuntu6.3
2.19-0ubuntu6.4
2.19-0ubuntu6.5
2.19-0ubuntu6.6
2.19-0ubuntu6.7
2.19-0ubuntu6.8
2.19-0ubuntu6.9
2.19-0ubuntu6.10
2.19-0ubuntu6.11
2.19-0ubuntu6.13

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "high",
    "binaries": [
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "eglibc-source"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "glibc-doc"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc-bin"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc-bin-dbgsym"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc-dev-bin"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc-dev-bin-dbgsym"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-amd64"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-amd64-dbgsym"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-armel"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-armel-dbgsym"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-dbg"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-dbgsym"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-dev"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-dev-amd64"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-dev-armel"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-dev-i386"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-dev-ppc64"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-dev-x32"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-i386"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-i386-dbgsym"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-pic"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-ppc64"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-ppc64-dbgsym"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-prof"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-udeb"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-udeb-dbgsym"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-x32"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libc6-x32-dbgsym"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libnss-dns-udeb"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libnss-dns-udeb-dbgsym"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libnss-files-udeb"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "libnss-files-udeb-dbgsym"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "multiarch-support"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "nscd"
        },
        {
            "binary_version": "2.19-0ubuntu6.14",
            "binary_name": "nscd-dbgsym"
        }
    ]
}

Ubuntu:Pro:14.04:LTS / musl

Package

Name
musl
Purl
pkg:deb/ubuntu/musl@0.9.15-1ubuntu0.1~esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.9.15-1ubuntu0.1~esm1

Affected versions

0.*

0.9.14-2
0.9.14-2ubuntu1
0.9.15-1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "ubuntu_priority": "high",
    "binaries": [
        {
            "binary_version": "0.9.15-1ubuntu0.1~esm1",
            "binary_name": "musl"
        },
        {
            "binary_version": "0.9.15-1ubuntu0.1~esm1",
            "binary_name": "musl-dev"
        },
        {
            "binary_version": "0.9.15-1ubuntu0.1~esm1",
            "binary_name": "musl-tools"
        }
    ]
}

Ubuntu:16.04:LTS / glibc

Package

Name
glibc
Purl
pkg:deb/ubuntu/glibc@2.23-0ubuntu10?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.23-0ubuntu10

Affected versions

2.*

2.21-0ubuntu4
2.21-0ubuntu5
2.21-0ubuntu6
2.23-0ubuntu1
2.23-0ubuntu2
2.23-0ubuntu3
2.23-0ubuntu4
2.23-0ubuntu5
2.23-0ubuntu6
2.23-0ubuntu7
2.23-0ubuntu9

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "high",
    "binaries": [
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "glibc-doc"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "glibc-source"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc-bin"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc-bin-dbgsym"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc-dev-bin"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc-dev-bin-dbgsym"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-amd64"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-amd64-dbgsym"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-armel"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-armel-dbgsym"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-dbg"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-dbgsym"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-dev"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-dev-amd64"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-dev-armel"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-dev-i386"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-dev-ppc64"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-dev-s390"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-dev-x32"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-i386"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-i386-dbgsym"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-pic"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-ppc64"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-ppc64-dbgsym"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-s390"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-s390-dbgsym"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-udeb"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-udeb-dbgsym"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-x32"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "libc6-x32-dbgsym"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "locales"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "locales-all"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "multiarch-support"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "nscd"
        },
        {
            "binary_version": "2.23-0ubuntu10",
            "binary_name": "nscd-dbgsym"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / musl

Package

Name
musl
Purl
pkg:deb/ubuntu/musl@1.1.9-1ubuntu0.1~esm2?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.9-1ubuntu0.1~esm2

Affected versions

1.*

1.1.9-1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "ubuntu_priority": "high",
    "binaries": [
        {
            "binary_version": "1.1.9-1ubuntu0.1~esm2",
            "binary_name": "musl"
        },
        {
            "binary_version": "1.1.9-1ubuntu0.1~esm2",
            "binary_name": "musl-dev"
        },
        {
            "binary_version": "1.1.9-1ubuntu0.1~esm2",
            "binary_name": "musl-tools"
        }
    ]
}

Ubuntu:18.04:LTS / glibc

Package

Name
glibc
Purl
pkg:deb/ubuntu/glibc@2.26-0ubuntu2.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.26-0ubuntu2.1

Affected versions

2.*

2.26-0ubuntu2

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "high",
    "binaries": [
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "glibc-doc"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "glibc-source"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc-bin"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc-bin-dbgsym"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc-dev-bin"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc-dev-bin-dbgsym"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-amd64"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-amd64-dbgsym"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-armel"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-dbg"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-dev"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-dev-amd64"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-dev-armel"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-dev-i386"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-dev-s390"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-dev-x32"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-i386"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-i386-dbgsym"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-pic"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-s390"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-s390-dbgsym"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-udeb"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-x32"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "libc6-x32-dbgsym"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "locales"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "locales-all"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "multiarch-support"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "nscd"
        },
        {
            "binary_version": "2.26-0ubuntu2.1",
            "binary_name": "nscd-dbgsym"
        }
    ]
}

Ubuntu:18.04:LTS / musl

Package

Name
musl
Purl
pkg:deb/ubuntu/musl@1.1.19-1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.19-1

Affected versions

1.*

1.1.16-3
1.1.18-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "high",
    "binaries": [
        {
            "binary_version": "1.1.19-1",
            "binary_name": "musl"
        },
        {
            "binary_version": "1.1.19-1",
            "binary_name": "musl-dbgsym"
        },
        {
            "binary_version": "1.1.19-1",
            "binary_name": "musl-dev"
        },
        {
            "binary_version": "1.1.19-1",
            "binary_name": "musl-tools"
        }
    ]
}