High severity · published Feb 17, 2017
CVE-2016-5417
Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in GNU C Library (aka glibc or libc6) before 2.24 allows remote attackers to cause a…
7.5
CVSS
3.4%
EPSS
No
On KEV
Description
Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in GNU C Library (aka glibc or libc6) before 2.24 allows remote attackers to cause a denial of service (memory consumption) by leveraging partial initialization of internal resolver data structures.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GL
Glibc · Gnu
through 2.23 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-5417
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-5417
Mailing List
http://www.openwall.com/lists/oss-security/2016/08/02/5
Third Party Advisory
http://www.securityfocus.com/bid/92257
Issue Tracking
https://sourceware.org/bugzilla/show_bug.cgi?id=19257
sourceware.org
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2212c1420c92a33b0e0bd9a34938c9814a56c0f7
Release Notes
https://www.sourceware.org/ml/libc-alpha/2016-08/msg00212.html
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