CVE-2018-19591

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=d527c860f5a3f0ed687bd03f0cb464612dc23408	Mailing List Patch 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/bugzilla/show_bug.cgi?id=23927	Exploit Issue Tracking Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M52KE4YR3GNMHQUOS3DKAGZD5TQ5D5UH/	Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BO7WHN52GFMC5F2I2232GFIPSSXWFV7G/	Third Party Advisory
http://www.securitytracker.com/id/1042174	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/106037	Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201903-09	Third Party Advisory
https://security.netapp.com/advisory/ntap-20190321-0003/
https://security.gentoo.org/glsa/201908-06
https://usn.ubuntu.com/4416-1/

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:28:::::::*
	cpe:2.3:o:fedoraproject:fedora:29:::::::*

Information

Published : 2018-12-04 16:29

Updated : 2020-07-09 20:15

NVD link : CVE-2018-19591

Mitre link : CVE-2018-19591

JSON object : View

Products Affected

gnu

glibc

fedoraproject

fedora

CWE

CWE-20

Improper Input Validation

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