Input validation error in Freedesktop systemd

1) Input validation error

EUVDB-ID: #VU34755

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-1101

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.

systemd 37-1 does not properly handle non-existent services, which causes a denial of service (failure of login procedure).

Mitigation

Install update from vendor's website.

Vulnerable software versions

systemd: 37

External links

http://www.openwall.com/lists/oss-security/2012/03/05/4
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=662029
http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-1101
http://cgit.freedesktop.org/systemd/systemd/commit/?id=9a46fc3b9014de1bf0ed1f3004a536b08a19ebb3

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.