Vulnerability identifier: #VU11179
Vulnerability risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
shadow
Universal components / Libraries /
Libraries used by multiple products
Vendor: Mark Florian
Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The weakness exists due to improper security restrictions when using the newgidmap setuid executable. A local attacker can gain root privileges.
Mitigation
Install update from vendor's website.
Vulnerable software versions
shadow: 4.0.0 - 4.5.0
External links
http://github.com/shadow-maint/shadow/pull/97
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.