HOMEVULNERABILITIESCVE-2018-1000517
CRITICAL

CVE-2018-1000517

CWE-120Published: June 26, 2018· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

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 network connectivity. This vulnerability appears to have been fixed in after commit 8e2174e9bd836e53c8b9c6e00d1bc6e2a718686e.

NVD Source

Technical Analysis

CVE-2018-1000517 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

busybox1 product(s)
busybox
Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
Source: NVD CPE · 7 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://git.busybox.net/busybox/commit/?id=8e2174e9bd836e53c8b9c6e00d1bc6e2a718686e
PATCHhttps://git.busybox.net/busybox/commit/?id=8e2174e9bd836e53c8b9c6e00d1bc6e2a718686e
ADVISORYhttps://lists.debian.org/debian-lts-announce/2018/07/msg00037.html
ADVISORYhttps://lists.debian.org/debian-lts-announce/2021/02/msg00020.html
ADVISORYhttps://usn.ubuntu.com/3935-1/
ADVISORYhttps://lists.debian.org/debian-lts-announce/2018/07/msg00037.html
ADVISORYhttps://lists.debian.org/debian-lts-announce/2021/02/msg00020.html
ADVISORYhttps://usn.ubuntu.com/3935-1/

All References (8)

→
https://git.busybox.net/busybox/commit/?id=8e2174e9bd836e53c8b9c6e00d1bc6e2a718686ePatch · Vendor Advisory
→
https://lists.debian.org/debian-lts-announce/2018/07/msg00037.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2021/02/msg00020.htmlMailing List · Third Party Advisory
→
https://usn.ubuntu.com/3935-1/Third Party Advisory
→
https://git.busybox.net/busybox/commit/?id=8e2174e9bd836e53c8b9c6e00d1bc6e2a718686ePatch · Vendor Advisory
→
https://lists.debian.org/debian-lts-announce/2018/07/msg00037.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2021/02/msg00020.htmlMailing List · Third Party Advisory
→
https://usn.ubuntu.com/3935-1/Third Party Advisory

Quick Facts

CVE IDCVE-2018-1000517
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-120
CISA KEVNo
Affected3 vendor(s)
PublishedJun 26, 2018

Related CVEs (CWE-120)

CVE-2012-10035
10.0
CVE-2015-5093
10.0
CVE-2001-0191
10.0
CVE-2022-22570
10.0
CVE-2010-10016
10.0
CVE-2022-31481
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-1000517 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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