Buffer overflow in Freedesktop systemd

1) Buffer overflow

EUVDB-ID: #VU38202

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-7510

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Stack-based buffer overflow in the getpwnam and getgrnam functions of the NSS module nss-mymachines in systemd.

Mitigation

Install update from vendor's website.

Vulnerable software versions

systemd: 223

External links

http://bugzilla.redhat.com/show_bug.cgi?id=1284642
http://github.com/keszybz/systemd/commit/cb31827d62066a04b02111df3052949fda4b6888
http://github.com/systemd/systemd/issues/2002

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.