Improper input validation in mariadb (Alpine package)

1) Improper input validation

EUVDB-ID: #VU25710

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-2574

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the C API component in MySQL Client. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

mariadb (Alpine package): 10.2.29-r0

CPE2.3

• cpe:2.3:o:alpine:mariadb_alpine_package:10.2.29-r0:*:*:*:*:alpine_linux:*:3.7

External links

https://git.alpinelinux.org/aports/commit/?id=4b2ff69cfd88a721791764e14961d593a703674f
https://git.alpinelinux.org/aports/commit/?id=a15d045a12bebc8448bb3b8f73591651a6f5c1dc
https://git.alpinelinux.org/aports/commit/?id=65c783bb55d09e238fcb8124b9eddf3a29540ac1
https://git.alpinelinux.org/aports/commit/?id=73fe4656a188cc9632aa686ff35b2040620673ad
https://git.alpinelinux.org/aports/commit/?id=97c87447df3ff717a55813269f6077bda45a163b

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.