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.
Priority
Low
CVSS 3 base score: 5.5
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)
|
|
| precise |
Ignored
(end of ESM support, was needs-triage)
|
|
| trusty |
Released
(1.27.1-1ubuntu0.1+esm2)
|
|
| upstream |
Released
(1.34)
|
|
| xenial |
Released
(1.28-2.1ubuntu0.2+esm1)
|
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 |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20193
- https://savannah.gnu.org/bugs/?59897
- https://ubuntu.com/security/notices/USN-5329-1
- NVD
- Launchpad
- Debian