CVE-2021-20193
Publication date 26 March 2021
Last updated 28 October 2024
Ubuntu priority
Cvss 3 Severity Score
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
tar | ||
22.04 LTS jammy |
Fixed 1.34+dfsg-1build1
|
|
20.04 LTS focal |
Fixed 1.30+dfsg-7ubuntu0.20.04.2
|
|
18.04 LTS bionic |
Fixed 1.29b-2ubuntu0.3
|
|
16.04 LTS xenial |
Fixed 1.28-2.1ubuntu0.2+esm1
|
|
14.04 LTS trusty |
Fixed 1.27.1-1ubuntu0.1+esm2
|
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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
Severity score breakdown
Parameter | Value |
---|---|
Base score | 3.3 · Low |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | Low |
Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
References
Related Ubuntu Security Notices (USN)
- USN-5329-1
- tar vulnerability
- 15 March 2022