Input validation error in dbus (Alpine package)

1) Input validation error

EUVDB-ID: #VU32484

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2014-3637

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a D-bus message containing a D-Bus connection file descriptor.

Mitigation

Install update from vendor's website.

Vulnerable software versions

dbus (Alpine package): 1.6.8-r0 - 1.6.22-r0

CPE2.3

• cpe:2.3:a:alpine:dbus_alpine_package:1.6.8-r0:*:*:*:*:alpine_linux:*:2.4
• cpe:2.3:a:alpine:dbus_alpine_package:1.6.10-r0:*:*:*:*:alpine_linux:*:2.6
• cpe:2.3:a:alpine:dbus_alpine_package:1.6.12-r0:*:*:*:*:alpine_linux:*:2.6

External links

https://git.alpinelinux.org/aports/commit/?id=256f4e7e9f920e61c9a0f213d108851dd6eee97c
https://git.alpinelinux.org/aports/commit/?id=d02e78275a3bb690d9d8099bf31ff92e3a9e68fe
https://git.alpinelinux.org/aports/commit/?id=805a5164875cd3f789db8929be1b6c9380f98d98
https://git.alpinelinux.org/aports/commit/?id=c3b756f3144debef12e39f410d862ad4a3a4f3d1

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.