4.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
1.9 Low
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
5.2%
Severity: Low
Date : 2019-01-08
CVE-ID : CVE-2018-20482
Package : tar
Type : denial of service
Remote : No
Link : https://security.archlinux.org/AVG-841
The package tar before version 1.31-1 is vulnerable to denial of
service.
Upgrade to 1.31-1.
The problem has been fixed upstream in version 1.31.
None.
A denial of service issue has been found in GNU Tar versions up to and
including 1.30. When creating archives with the --sparse option, tar
would loop endlessly if a sparse file had been truncated while being
archived.
An attacker might be able to cause a denial of service via an archive
created with the --sparse option.
https://lists.gnu.org/archive/html/bug-tar/2018-12/msg00023.html
https://git.savannah.gnu.org/cgit/tar.git/commit/?id=c15c42c
https://utcc.utoronto.ca/~cks/space/blog/sysadmin/TarFindingTruncateBug
https://security.archlinux.org/CVE-2018-20482
4.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
1.9 Low
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
5.2%