National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-19591 Detail

Current Description

In the GNU C Library (aka glibc or libc6) through 2.28, attempting to resolve a crafted hostname via getaddrinfo() leads to the allocation of a socket descriptor that is not closed. This is related to the if_nametoindex() function.

Source:  MITRE
Description Last Modified:  12/04/2018
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): Low
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.securityfocus.com/bid/106037 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1042174 Third Party Advisory VDB Entry
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BO7WHN52GFMC5F2I2232GFIPSSXWFV7G/ Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M52KE4YR3GNMHQUOS3DKAGZD5TQ5D5UH/ Patch Third Party Advisory
https://security.gentoo.org/glsa/201903-09 Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=23927 Exploit Issue Tracking Third Party Advisory
https://sourceware.org/git/?p=glibc.git;a=blob_plain;f=NEWS;hb=HEAD Release Notes Third Party Advisory
https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=d527c860f5a3f0ed687bd03f0cb464612dc23408 Mailing List Patch Third Party Advisory

Technical Details

Vulnerability Type (View All)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-19591
NVD Published Date:
12/04/2018
NVD Last Modified:
03/14/2019