VulnerabilityModified
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…
MEDIUM 5.0EPSS 5.81%
Does this matter?
Lower severity and a low EPSS score (5.81%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
- EPSS
- 5.81% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-17
- Affected
- redhat/enterprise linux server aus · canonical/ubuntu linux · opensuse/opensuse · gnu/glibc
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.htmlThird Party Advisory
- 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/2015/01/28/20Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/72844Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2519-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2016:1207Third Party Advisory
- https://github.com/golang/go/issues/6336Third Party Advisory
- https://security.gentoo.org/glsa/201602-02Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=15946Issue Tracking
- http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.htmlThird Party Advisory
- 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/2015/01/28/20Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/72844Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2519-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2016:1207Third Party Advisory
- https://github.com/golang/go/issues/6336Third Party Advisory
- https://security.gentoo.org/glsa/201602-02Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=15946Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.