CVE-2013-7423 (GCVE-0-2013-7423)
Vulnerability from cvelistv5 – Published: 2015-02-24 15:00 – Updated: 2024-08-06 18:09
VLAI
EPSS
VEX
Summary
The send_dg function in resolv/res_send.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.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
11 references
| URL | Tags |
|---|---|
| https://github.com/golang/go/issues/6336 | x_refsource_CONFIRM |
| http://www.openwall.com/lists/oss-security/2015/0… | mailing-listx_refsource_MLIST |
| http://lists.opensuse.org/opensuse-updates/2015-0… | vendor-advisoryx_refsource_SUSE |
| https://security.gentoo.org/glsa/201602-02 | vendor-advisoryx_refsource_GENTOO |
| https://sourceware.org/bugzilla/show_bug.cgi?id=15946 | x_refsource_CONFIRM |
| http://www.ubuntu.com/usn/USN-2519-1 | vendor-advisoryx_refsource_UBUNTU |
| http://rhn.redhat.com/errata/RHSA-2015-0863.html | vendor-advisoryx_refsource_REDHAT |
| http://www.securityfocus.com/bid/72844 | vdb-entryx_refsource_BID |
| https://access.redhat.com/errata/RHSA-2016:1207 | vendor-advisoryx_refsource_REDHAT |
| http://seclists.org/fulldisclosure/2021/Sep/0 | mailing-listx_refsource_FULLDISC |
| http://packetstormsecurity.com/files/164014/Moxa-… | x_refsource_MISC |
Date Public
2013-09-12 00:00
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"id": "CVE-2013-7423",
"lastModified": "2026-05-06T22:30:45.220",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2015-02-24T15:59:00.050",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.html"
},
{
"source": "cve@mitre.org",
"url": "http://packetstormsecurity.com/files/164014/Moxa-Command-Injection-Cross-Site-Scripting-Vulnerable-Software.html"
},
{
"source": "cve@mitre.org",
"url": "http://rhn.redhat.com/errata/RHSA-2015-0863.html"
},
{
"source": "cve@mitre.org",
"url": "http://seclists.org/fulldisclosure/2021/Sep/0"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2015/01/28/20"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/72844"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "http://www.ubuntu.com/usn/USN-2519-1"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2016:1207"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/golang/go/issues/6336"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/201602-02"
},
{
"source": "cve@mitre.org",
"tags": [
"Issue Tracking"
],
"url": "https://sourceware.org/bugzilla/show_bug.cgi?id=15946"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://packetstormsecurity.com/files/164014/Moxa-Command-Injection-Cross-Site-Scripting-Vulnerable-Software.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2015-0863.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://seclists.org/fulldisclosure/2021/Sep/0"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2015/01/28/20"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/72844"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://www.ubuntu.com/usn/USN-2519-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2016:1207"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/golang/go/issues/6336"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/201602-02"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking"
],
"url": "https://sourceware.org/bugzilla/show_bug.cgi?id=15946"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-17"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-27T11:29:10+00:00",
"cve": "CVE-2013-7423",
"id": "CVE-2013-7423",
"initial_release_date": "2013-09-12T00:00:00+00:00",
"product_status:fixed": "362",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "glibc: getaddrinfo() writes DNS queries to random file descriptors under high load",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2013/cve-2013-7423.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-13T00:27:36Z",
"cve": "CVE-2013-7423",
"id": "CVE-2013-7423",
"initial_release_date": "2023-02-15T05:33:13Z",
"product_status:known_not_affected": "196",
"product_status:recommended": "670",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2013-7423",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2013-7423.json",
"version": "20"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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