UBUNTU-CVE-2018-19591

See a problem?
Source
https://ubuntu.com/security/notices/UBUNTU-CVE-2018-19591
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-19591.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-19591
Related
Published
2018-12-04T16:29:00Z
Modified
2018-12-04T16:29:00Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In the GNU C Library (aka glibc or libc6) through 2.28, attempting to resolve a crafted hostname via getaddrinfo() leads to the allocation of a socket descriptor that is not closed. This is related to the if_nametoindex() function.

References

Affected packages

Ubuntu:18.04:LTS / glibc

Package

Name
glibc
Purl
pkg:deb/ubuntu/glibc@2.27-3ubuntu1.2?arch=src?distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.27-3ubuntu1.2

Affected versions

2.*

2.26-0ubuntu2
2.26-0ubuntu2.1
2.27-0ubuntu2
2.27-0ubuntu3
2.27-3ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "libc6-s390-dbgsym": "2.27-3ubuntu1.2",
            "libc6-dev": "2.27-3ubuntu1.2",
            "multiarch-support": "2.27-3ubuntu1.2",
            "libc6-dev-s390": "2.27-3ubuntu1.2",
            "libc6-dev-i386": "2.27-3ubuntu1.2",
            "locales-all": "2.27-3ubuntu1.2",
            "libc6-amd64-dbgsym": "2.27-3ubuntu1.2",
            "libc6-pic": "2.27-3ubuntu1.2",
            "glibc-source": "2.27-3ubuntu1.2",
            "libc6-dev-amd64": "2.27-3ubuntu1.2",
            "nscd-dbgsym": "2.27-3ubuntu1.2",
            "nscd": "2.27-3ubuntu1.2",
            "glibc-doc": "2.27-3ubuntu1.2",
            "libc6-armel": "2.27-3ubuntu1.2",
            "libc6-armel-dbgsym": "2.27-3ubuntu1.2",
            "libc6": "2.27-3ubuntu1.2",
            "libc6-dbg": "2.27-3ubuntu1.2",
            "libc-bin": "2.27-3ubuntu1.2",
            "libc6-i386": "2.27-3ubuntu1.2",
            "libc6-udeb": "2.27-3ubuntu1.2",
            "libc6-dev-x32": "2.27-3ubuntu1.2",
            "libc-bin-dbgsym": "2.27-3ubuntu1.2",
            "libc-dev-bin": "2.27-3ubuntu1.2",
            "libc6-amd64": "2.27-3ubuntu1.2",
            "libc6-x32": "2.27-3ubuntu1.2",
            "libc6-s390": "2.27-3ubuntu1.2",
            "libc6-dev-armel": "2.27-3ubuntu1.2",
            "libc6-i386-dbgsym": "2.27-3ubuntu1.2",
            "locales": "2.27-3ubuntu1.2",
            "libc-dev-bin-dbgsym": "2.27-3ubuntu1.2",
            "libc6-x32-dbgsym": "2.27-3ubuntu1.2"
        }
    ]
}