CVE-2013-7423
MEDIUM severity · CVSS 5 · CWE-17
5CVSS MEDIUM
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impact—
Availability impactNone
Exploit probability (EPSS)6%
AV:N/AC:L/Au:N/C:N/I:P/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.htmlAdvisory
- http://packetstormsecurity.com/files/164014/Moxa-Command-Injection-Cross-Site-Scripting-Vulnerable-Software.html
- http://rhn.redhat.com/errata/RHSA-2015-0863.html
- http://seclists.org/fulldisclosure/2021/Sep/0
- http://www.openwall.com/lists/oss-security/2015/01/28/20Advisory
- http://www.securityfocus.com/bid/72844Advisory
- http://www.ubuntu.com/usn/USN-2519-1Advisory
- https://access.redhat.com/errata/RHSA-2016:1207Advisory