CVE-2013-7423

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Summary

CVECVE-2013-7423
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-02-24 15:59:00 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:N/I:P/A:N

Problem Types: CWE-17 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

AV:N/AC:L/Au:N/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 10.04 All All All
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 14.10 All All All
Application Gnu Glibc All All All All
Operating System Opensuse Opensuse 13.1 All All All
Operating System Opensuse Opensuse 13.2 All All All
Operating System Redhat Enterprise Linux Server Aus 6.5 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
openSUSE-SU-2015:0351-1: moderate: Security update for glibc af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Third Party Advisory
GNU glibc 'send_dg()' Function Local Information Disclosure Weakness af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
net: ResolveIPAddr triggers glibc bug writing to wrong fd · Issue #6336 · golang/go · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Third Party Advisory
oss-security - Re: the other glibc issue af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
Full Disclosure: SEC Consult SA-20210901-0 :: Multiple vulnerabilities in MOXA devices af854a3a-2127-422b-91ae-364da2661108 seclists.org
USN-2519-1: GNU C Library vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
15946 – (CVE-2013-7423) getaddrinfo() writes DNS queries to random file descriptors under high load (CVE-2013-7423) af854a3a-2127-422b-91ae-364da2661108 sourceware.org Issue Tracking
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
GNU C Library: Multiple vulnerabilities (GLSA 201602-02) — Gentoo Security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory
Moxa Command Injection / Cross Site Scripting / Vulnerable Software ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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