CVE-2017-15671
Published: 20 October 2017
The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27, when invoked with GLOB_TILDE, could skip freeing allocated memory when processing the ~ operator with a long user name, potentially leading to a denial of service (memory leak).
Notes
| Author | Note |
|---|---|
| mdeslaur | cvs-fix-glob-buffer-overflow.diff in xenial |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
eglibc Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
| bionic |
Does not exist
|
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| trusty |
Needed
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
| zesty |
Does not exist
|
|
|
glibc Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
| bionic |
Not vulnerable
(2.27-3ubuntu1)
|
|
| cosmic |
Not vulnerable
(2.27-3ubuntu1)
|
|
| disco |
Not vulnerable
(2.27-3ubuntu1)
|
|
| eoan |
Not vulnerable
(2.27-3ubuntu1)
|
|
| focal |
Not vulnerable
(2.27-3ubuntu1)
|
|
| groovy |
Not vulnerable
(2.27-3ubuntu1)
|
|
| hirsute |
Not vulnerable
(2.27-3ubuntu1)
|
|
| impish |
Not vulnerable
(2.27-3ubuntu1)
|
|
| jammy |
Not vulnerable
(2.27-3ubuntu1)
|
|
| kinetic |
Not vulnerable
(2.27-3ubuntu1)
|
|
| lunar |
Not vulnerable
(2.27-3ubuntu1)
|
|
| mantic |
Not vulnerable
(2.27-3ubuntu1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(2.27)
|
|
| xenial |
Not vulnerable
(2.23-0ubuntu11)
|
|
| zesty |
Ignored
(end of life)
|
|
|
Patches: upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c66c908230169c1bab1f83b071eb585baa214b9f upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e80fc1fc98bf614eb01cf8325503df3a1451a99c upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ee68a4419a7c4473e48b16a55c50689a11f9b725 upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b2b39e667143a921eeec01517c9c99ea25eaafae upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=94825c8924b80518214ad9e3ca1f6589f209592c upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bddc5728810859952a2acaec6302308361e828cc |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.9 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |