Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2017-18018 |
CWE-ID | CWE-362 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
coreutils Other software / Other software solutions |
Vendor | GNU |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU33153
Risk: Low
CVSSv3.1: 4.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-18018
Exploit availability: No
DescriptionThe vulnerability allows a local authenticated user to manipulate data.
In GNU Coreutils through 8.29, chown-core.c in chown and chgrp does not prevent replacement of a plain file with a symlink during use of the POSIX "-R -L" options, which allows local users to modify the ownership of arbitrary files by leveraging a race condition.
MitigationInstall update from vendor's website.
Vulnerable software versionscoreutils: 8.1
External linkshttp://lists.gnu.org/archive/html/coreutils/2017-12/msg00045.html
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.