Bug 1653993 (CVE-2018-19591) - CVE-2018-19591 glibc: file descriptor leak in if_nametoindex() in sysdeps/unix/sysv/linux/if_index.c
Summary: CVE-2018-19591 glibc: file descriptor leak in if_nametoindex() in sysdeps/uni...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2018-19591
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1654000 1654010
Blocks: 1654004
TreeView+ depends on / blocked
 
Reported: 2018-11-27 19:58 UTC by Laura Pardo
Modified: 2021-02-16 22:44 UTC (History)
18 users (show)

Fixed In Version: glibc 2.29
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2018-11-30 10:05:16 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Sourceware 23927 0 None None None 2019-03-28 09:06:38 UTC

Description Laura Pardo 2018-11-27 19:58:55 UTC 
A flaw was found in glibc before version 2.29. A file descriptor leak in if_nametoindex can lead to a denial of service due to resource exhaustion when processing getaddrinfo calls with crafted host names.


References:
https://sourceware.org/bugzilla/show_bug.cgi?id=23927

Upstream Patch:
https://sourceware.org/ml/libc-alpha/2018-11/msg00698.html
Comment 1 Laura Pardo 2018-11-27 20:01:25 UTC 
Created glibc tracking bugs for this issue:

Affects: fedora-all [bug 1654000]
Comment 3 Stefan Cornelius 2018-11-30 10:05:27 UTC 
Statement:

This issue did not affect the versions of glibc as shipped with Red Hat Enterprise Linux 5, 6, and 7.
Comment 4 Fedora Update System 2018-12-04 02:22:52 UTC 
glibc-2.27-35.fc28 has been pushed to the Fedora 28 stable repository. If problems still persist, please make note of it in this bug report.
Note You need to log in before you can comment on or make changes to this bug.