Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2013-4235 |
CWE-ID | CWE-367 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
Gentoo Linux Operating systems & Components / Operating system sys-apps/shadow Operating systems & Components / Operating system package or component |
Vendor | Gentoo |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU59131
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-2013-4235
CWE-ID:
CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Exploit availability: No
DescriptionThe vulnerability allows a local user to delete or modify arbitrary files on the system.
The vulnerability exists due to a race condition in shadow-utils when executing usermod/userdel operations. A local user with write access to the directory that is being moved or deleted by the usermod/userdel commands can modify or delete arbitrary files on the system.
Successful exploitation of the vulnerability may allow an attacker to corrupt arbitrary files on the system and perform a denial of service (DoS) attack.
Update the affected packages.
sys-apps/shadow to version: 4.12.2
Gentoo Linux: All versions
sys-apps/shadow: before 4.12.2
External linkshttp://security.gentoo.org/glsa/202210-26
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.