Vulnerability CVE-2018-19591
Published: 2018-12-04

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.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
GNU -> Glibc 
Fedoraproject -> Fedora 

 References:
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.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
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