CVE-2019-18930
Western Digital My Cloud EX2 Ultra firmware 2.31.183 allows web users (including guest account) to remotely execute arbitrary code via a stack-based buffer overflow.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Western Digital My Cloud EX2 Ultra firmware 2.31.183 allows web users (including guest account) to remotely execute arbitrary code via a stack-based buffer overflow. There is no size verification logic in one of functions in libscheddl.so, and download_mgr.cgi makes it possible to enter large-sized f_idx inputs.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.21% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- western digital/my cloud ex2 ultra firmware
- Source
- cve@mitre.org
References
- https://github.com/DelspoN/CVE/blob/master/CVE-2019-18930/description.txtThird Party Advisory
- https://github.com/DelspoN/CVE/tree/master/CVE-2019-18930Exploit, Third Party Advisory
- https://github.com/DelspoN/CVE/blob/master/CVE-2019-18930/description.txtThird Party Advisory
- https://github.com/DelspoN/CVE/tree/master/CVE-2019-18930Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.