Code injection in drupal7 (Alpine package)

1) Code injection

EUVDB-ID: #VU12182

Risk: High

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2018-7602

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise vulnerable website.

The vulnerability exists due to improper input validation when processing HTTP requests. A remote unauthenticated attacker can send a specially crafted HTTP request to vulnerable website and compromise it.

Successful exploitation of the vulnerability may allow an attacker to gain full access to vulnerable website.

Note: the vendor updated the original advisory stating that this vulnerability is being exploited in the wild.

Mitigation

Install update from vendor's website.

Vulnerable software versions

drupal7 (Alpine package): 7.37-r0 - 7.58-r0

CPE2.3

• cpe:2.3:a:alpine:drupal7_alpine_package:7.37-r0:*:*:*:*:alpine_linux:*:3.2
• cpe:2.3:a:alpine:drupal7_alpine_package:7.43-r0:*:*:*:*:alpine_linux:*:3.3
• cpe:2.3:a:alpine:drupal7_alpine_package:7.52-r0:*:*:*:*:alpine_linux:*:3.4

External links

https://git.alpinelinux.org/aports/commit/?id=9778b68435c4a757140400341651d4f4e1ddd666
https://git.alpinelinux.org/aports/commit/?id=572988df646dbd3f474c9764c4accc1a349bc5ac
https://git.alpinelinux.org/aports/commit/?id=3312613b516eff3e13b7049219a094d5ad9692e2
https://git.alpinelinux.org/aports/commit/?id=514e2e609a5e645a5657da1d26be45fdf5288b7e
https://git.alpinelinux.org/aports/commit/?id=c0c1b83c0f0316173c14f72c04b69040bd53da30

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?

Yes. This vulnerability is being exploited in the wild.