What is CVE-2018-1000517?

CVE-2018-1000517 is a critical-severity vulnerability in Busybox, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2018-06-26.

How severe is CVE-2018-1000517?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2018-1000517 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Busybox

CVE-2018-1000517

BusyBox project BusyBox wget version prior to commit 8e2174e9bd836e53c8b9c6e00d1bc6e2a718686e contains a Buffer Overflow vulnerability in Busybox wget that can result in heap buffer overflow. This attack appear to be exploitable via networ…

Vulnerability class: Buffer Overflow

EPSS: 0.329 (98.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Busybox
Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
Debian Debian_linux — versions 8.0, 9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2018-1000517?: CVE-2018-1000517 is a critical-severity vulnerability in Busybox, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2018-06-26.
How severe is CVE-2018-1000517?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-1000517 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.