National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-5417 Detail

Current 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.

Source:  MITRE
Description Last Modified:  02/16/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2016/08/02/5 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/92257 Third Party Advisory VDB Entry
https://sourceware.org/bugzilla/show_bug.cgi?id=19257 Issue Tracking Patch Third Party Advisory VDB Entry
https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=2212c1420c92a33b0e0bd9a34938c9814a56c0f7 Patch
https://www.sourceware.org/ml/libc-alpha/2016-08/msg00212.html Release Notes

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*    versions up to (including) 2.23

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-5417
NVD Published Date:
02/16/2017
NVD Last Modified:
02/17/2017