Home/CVE/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
CVE

CVE-2013-7423

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

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.

MEDIUM · CVSS 5 EPSS 0.03151
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
▤

Affected Products & Versions

4
redhat enterprise linux server ausall versions
canonical ubuntu linuxall versions
opensuseall versions
gnu glibc< 2.20
⚠

Public Exploits & PoCs

1
pocpacketstormsecurity.com · Moxa-Command-Injection-Cross-Site-Scripting-Vulnerable-So...packetstormsecurity.com
▣

Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:P/A:N
Published to NVD24 Feb 2015 · 03:59 PM
⚑

Vendor Advisories

11
suse-csafopenSUSE-SU-2024:10154-1
rhsaRHSA-2015:2589Important
rhsaRHSA-2015:0863Moderate
rhsaRHSA-2015:2199Moderate
suse-csafSUSE-SU-2015:0526-1
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0863.html
http://seclists.org/fulldisclosure/2021/Sep/0
http://www.openwall.com/lists/oss-security/2015/01/28/20Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/72844Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2519-1Third Party Advisory
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