Input validation error in mariadb (Alpine package)

1) Input validation error

EUVDB-ID: #VU33803

Risk: High

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-3477

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

Unspecified vulnerability in Oracle MySQL 5.5.49 and earlier, 5.6.30 and earlier, and 5.7.12 and earlier and MariaDB before 5.5.50, 10.0.x before 10.0.26, and 10.1.x before 10.1.15 allows local users to affect confidentiality, integrity, and availability via vectors related to Server: Parser. Scores reflect additional information provided in http://www.oracle.com/ocom/groups/public/@otn/documents/webcontent/3089849.xml: "Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. While the vulnerability is in MySQL Server, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of MySQL Server."

Mitigation

Install update from vendor's website.

Vulnerable software versions

mariadb (Alpine package): 5.5.47-r0

CPE2.3

• cpe:2.3:o:alpine:mariadb_alpine_package:5.5.47-r0:*:*:*:*:alpine_linux:*:3.1

External links

https://git.alpinelinux.org/aports/commit/?id=e2a1cee9f1898c64ed1488ea86e2142e8f02387c
https://git.alpinelinux.org/aports/commit/?id=d6a52aeca469fc2b01a3dec952226419c9ae2a8b

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.