CVE-2018-19591

Impact:
Moderate
Public Date:
2018-11-27
CWE:
CWE-400
Bugzilla:
1653993: CVE-2018-19591 glibc: file descriptor leak in if_nametoindex() in sysdeps/unix/sysv/linux/if_index.c

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2018-19591 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue did not affect the versions of glibc as shipped with Red Hat Enterprise Linux 5, 6, and 7.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 5.3
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 glibc Not affected
Red Hat Enterprise Linux 7 glibc Not affected
Red Hat Enterprise Linux 7 compat-glibc Not affected
Red Hat Enterprise Linux 6 glibc Not affected
Red Hat Enterprise Linux 6 compat-glibc Not affected
Red Hat Enterprise Linux 5 compat-glibc Not affected
Red Hat Enterprise Linux 5 glibc Not affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.
Last Modified

CVE description copyright © 2017, The MITRE Corporation