Vulnerability in Gnu Glibc
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 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.
EPSS: 0.058 (92.4th percentile) — read the EPSS interpretation.
Affected products
- Gnu Glibc
- Canonical Ubuntu_linux — versions 10.04, 12.04, 14.04
- Opensuse — versions 13.1, 13.2
- Redhat Enterprise_linux_server_aus — versions 6.5
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- cve@mitre.org (x_refsource_CONFIRM, Issue Tracking)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_FULLDISC)
Frequently asked questions
- What is CVE-2013-7423?
- CVE-2013-7423 is a vulnerability in Gnu Glibc, classified under CWE-17. Published 2015-02-24.
- Is CVE-2013-7423 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.