Input validation error in cacti (Alpine package)

1) Input validation error

EUVDB-ID: #VU24394

Risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-7237

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input in the Performance Boost Debug Log field of "poller_automation.php". A remote authenticated attacker can execute arbitrary code via shell metacharacters.

Mitigation

Install update from vendor's website.

Vulnerable software versions

cacti (Alpine package): 1.2.8-r0 - 1.2.9-r0

CPE2.3

• cpe:2.3:o:alpine:cacti_alpine_package:1.2.8-r0:*:*:*:*:alpine_linux:*:3.10
• cpe:2.3:o:alpine:cacti_alpine_package:1.2.9-r0:*:*:*:*:alpine_linux:*:3.11

External links

https://git.alpinelinux.org/aports/commit/?id=6e827a9dff0f6d940e08d7975d124a87392541de
https://git.alpinelinux.org/aports/commit/?id=d257bf86303c111c0a6407903b162c596fb405de

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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