Vulnerability Details : 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 denial of service (memory consumption) by leveraging partial initialization of internal resolver data structures.
Vulnerability category: Denial of service
Products affected by CVE-2016-5417
- cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-5417
1.19%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-5417
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2016-5417
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-5417
-
https://www.sourceware.org/ml/libc-alpha/2016-08/msg00212.html
Adhemerval Zanella - The GNU C Library version 2.24 is now availableRelease Notes
-
http://www.securityfocus.com/bid/92257
GNU glibc '__res_vinit()' Function Information Disclosure VulnerabilityThird Party Advisory;VDB Entry
-
https://sourceware.org/bugzilla/show_bug.cgi?id=19257
19257 – (CVE-2016-5417) Per-thread memory leak in __res_vinit with IPv6 nameservers (CVE-2016-5417)Issue Tracking;Patch;Third Party Advisory;VDB Entry
-
http://www.openwall.com/lists/oss-security/2016/08/02/5
oss-security - glibc: Per-thread memory leak in __res_vinit with IPv6 nameservers (CVE-2016-5417)Mailing List;Third Party Advisory
-
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2212c1420c92a33b0e0bd9a34938c9814a56c0f7
sourceware.org Git
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