CVE-2021-20193
Published: 26 March 2021
A flaw was found in the src/list.c of tar 1.33 and earlier. This flaw allows an attacker who can submit a crafted input file to tar to cause uncontrolled consumption of memory. The highest threat from this vulnerability is to system availability.
Notes
Author | Note |
---|---|
sbeattie | the tar command failed to free memory. As this is a command line tool denial of service, this has been rated as priority low |
Priority
Status
Package | Release | Status |
---|---|---|
tar Launchpad, Ubuntu, Debian |
bionic |
Released
(1.29b-2ubuntu0.3)
|
focal |
Released
(1.30+dfsg-7ubuntu0.20.04.2)
|
|
groovy |
Ignored
(reached end-of-life)
|
|
hirsute |
Released
(1.34+dfsg-1build1)
|
|
impish |
Released
(1.34+dfsg-1build1)
|
|
jammy |
Released
(1.34+dfsg-1build1)
|
|
kinetic |
Released
(1.34+dfsg-1build1)
|
|
lunar |
Released
(1.34+dfsg-1build1)
|
|
trusty |
Released
(1.27.1-1ubuntu0.1+esm2)
|
|
upstream |
Released
(1.34)
|
|
xenial |
Released
(1.28-2.1ubuntu0.2+esm1)
|
|
Patches: upstream: https://git.savannah.gnu.org/cgit/tar.git/commit/?id=d9d4435692150fa8ff68e1b1a473d187cc3fd777 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |