CVE-2018-19591 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.securityfocus.com/bid/106037 http://www.securitytracker.com/id/1042174 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BO7WHN52GFMC5F2I2232GFIPSSXWFV7G/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M52KE4YR3GNMHQUOS3DKAGZD5TQ5D5UH/ https://security.gentoo.org/glsa/201903-09 https://security.gentoo.org/glsa/201908-06 https://security.netapp.com/advisory/ntap-20190321-0003/ https://sourceware.org/bugzilla/show_bug.cgi?id=23927 https://sourceware.org/git/?p=glibc.git;a=blob_plain;f=NEWS;hb=HEAD https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=d527c860f5a3f0ed687bd03f0cb464612dc23408 https://usn.ubuntu.com/4416-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5