Input validation error in GNU C Library (glibc) - CVE-2013-7424
Published: November 28, 2016 / Updated: June 3, 2025
Vulnerability identifier: #VU110107
CSH Severity: Medium
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-7424
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
The getaddrinfo function in glibc before 2.15, when compiled with libidn and the AI_IDN flag is used, allows context-dependent attackers to cause a denial of service (invalid free) and possibly execute arbitrary code via unspecified vectors, as demonstrated by an internationalized domain name to ping6.
Affected software
GNU C Library (glibc)
How to mitigate CVE-2013-7424
Install update from vendor's website.
GNU C Library (glibc) - update to 2.15
External References
- http://rhn.redhat.com/errata/RHSA-2015-1627.html
- http://www.openwall.com/lists/oss-security/2015/01/29/21
- http://www.securityfocus.com/bid/72710
- https://bugzilla.redhat.com/show_bug.cgi?id=1186614
- https://bugzilla.redhat.com/show_bug.cgi?id=981942
- https://sourceware.org/bugzilla/show_bug.cgi?id=18011
- https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=2e96f1c7