CVE-2020-1752
Published: 30 April 2020
A use-after-free vulnerability introduced in glibc upstream version 2.14 was found in the way the tilde expansion was carried out. Directory paths containing an initial tilde followed by a valid username were affected by this issue. A local attacker could exploit this flaw by creating a specially crafted path that, when processed by the glob function, would potentially lead to arbitrary code execution. This was fixed in version 2.32.
Priority
Status
Package | Release | Status |
---|---|---|
eglibc Launchpad, Ubuntu, Debian |
bionic |
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
|
|
noble |
Does not exist
|
|
trusty |
Needed
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
glibc Launchpad, Ubuntu, Debian |
bionic |
Released
(2.27-3ubuntu1.2)
|
eoan |
Released
(2.30-0ubuntu2.2)
|
|
focal |
Not vulnerable
(2.31-0ubuntu9)
|
|
groovy |
Not vulnerable
(2.31-0ubuntu9)
|
|
hirsute |
Not vulnerable
(2.31-0ubuntu9)
|
|
impish |
Not vulnerable
(2.31-0ubuntu9)
|
|
jammy |
Not vulnerable
(2.31-0ubuntu9)
|
|
kinetic |
Not vulnerable
(2.31-0ubuntu9)
|
|
lunar |
Not vulnerable
(2.31-0ubuntu9)
|
|
mantic |
Not vulnerable
(2.31-0ubuntu9)
|
|
noble |
Not vulnerable
(2.31-0ubuntu9)
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Released
(2.23-0ubuntu11.2)
|
|
Patches: upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ddc650e9b3dc916eab417ce9f79e67337b05035c |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.0 |
Attack vector | Local |
Attack complexity | High |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |