UBUNTU-CVE-2013-7423

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Source
https://ubuntu.com/security/CVE-2013-7423
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2013/UBUNTU-CVE-2013-7423.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2013-7423
Upstream
Downstream
Related
Published
2015-02-24T00:00:00Z
Modified
2025-09-08T16:43:06Z
Severity
  • Ubuntu - medium
Summary
[none]
Details

The senddg function in resolv/ressend.c in GNU C Library (aka glibc or libc6) before 2.20 does not properly reuse file descriptors, which allows remote attackers to send DNS queries to unintended locations via a large number of requests that trigger a call to the getaddrinfo function.

References

Affected packages

Ubuntu:14.04:LTS / eglibc

Package

Name
eglibc
Purl
pkg:deb/ubuntu/eglibc@2.19-0ubuntu6.6?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.19-0ubuntu6.6

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "eglibc-source",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "libc-bin",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "libc-dev-bin",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "libc6",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "libc6-amd64",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "libc6-armel",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "libc6-dev",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "libc6-dev-amd64",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "libc6-dev-armel",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "libc6-dev-i386",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "libc6-dev-ppc64",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "libc6-dev-x32",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "libc6-i386",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "libc6-pic",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "libc6-ppc64",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "libc6-prof",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "libc6-x32",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "multiarch-support",
            "binary_version": "2.19-0ubuntu6.6"
        },
        {
            "binary_name": "nscd",
            "binary_version": "2.19-0ubuntu6.6"
        }
    ],
    "availability": "No subscription required"
}