SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-11689

When conducting license validation, exfat.cgi and exfatctl fail to properly validate server responses and pass unsanitized text to the system shell, resulting in code execution as root.

HIGH 8.1EPSS 3.16%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An issue was discovered in ASUSTOR exFAT Driver through 1.0.0.r20. When conducting license validation, exfat.cgi and exfatctl fail to properly validate server responses and pass unsanitized text to the system shell, resulting in code execution as root.

CVSS 3.1
8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.16% probability · 87th percentile
CISA KEV
Not listed
Weakness
CWE-78
Affected
asustor/exfat driver
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.