CVE-2018-19591

Priority
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.
Notes
 ebarretto> In trusty and precise the code that introduced the issue
 ebarretto> is not present.
 sbeattie> reproducer testcase in upstream bug report
 sbeattie> introduced in 2180fee114b778515b3f560e5ff1e795282e60b0 (2.27 cycle)
Package
Upstream:needs-triage
Ubuntu 12.04 ESM (Precise Pangolin):not-affected
Ubuntu 14.04 LTS (Trusty Tahr):not-affected
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Package
Source: glibc (LP Ubuntu Debian)
Upstream:needs-triage
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):not-affected
Ubuntu 18.04 LTS (Bionic Beaver):needed
Ubuntu 18.10 (Cosmic Cuttlefish):needed
Ubuntu 19.04 (Disco Dingo):needed
Patches:
Upstream:https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=patch;h=d527c860f5a3f0ed687bd03f0cb464612dc23408
More Information

Updated: 2019-01-14 21:31:20 UTC (commit 51f9b73af244ba86b9321e46e526586c25a8e060)