HOMEVULNERABILITIESCVE-2018-1000849
HIGH

CVE-2018-1000849

CWE-20Published: December 20, 2018· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Alpine Linux version Versions prior to 2.6.10, 2.7.6, and 2.10.1 contains a Other/Unknown vulnerability in apk-tools (Alpine Linux' package manager) that can result in Remote Code Execution. This attack appear to be exploitable via A specially crafted APK-file can cause apk to write arbitrary data to an attacker-specified file, due to bugs in handling long link target name and the way a regular file is extracted.. This vulnerability appears to have been fixed in 2.6.10, 2.7.6, and 2.10.1.

NVD Source

Technical Analysis

CVE-2018-1000849 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

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 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

alpinelinux1 product(s)
alpine linux
Source: NVD CPE · 1 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.alpinelinux.org/cgit/apk-tools/commit/?id=6484ed9849f03971eb48ee1fdc21a2f128247eb1
PATCHhttps://git.alpinelinux.org/cgit/apk-tools/commit/?id=6484ed9849f03971eb48ee1fdc21a2f128247eb1
ADVISORYhttps://alpinelinux.org/posts/Alpine-3.8.1-released.html
ADVISORYhttps://justi.cz/security/2018/09/13/alpine-apk-rce.html
ADVISORYhttps://alpinelinux.org/posts/Alpine-3.8.1-released.html
ADVISORYhttps://justi.cz/security/2018/09/13/alpine-apk-rce.html

All References (6)

→
https://alpinelinux.org/posts/Alpine-3.8.1-released.htmlVendor Advisory
→
https://git.alpinelinux.org/cgit/apk-tools/commit/?id=6484ed9849f03971eb48ee1fdc21a2f128247eb1Patch · Vendor Advisory
→
https://justi.cz/security/2018/09/13/alpine-apk-rce.htmlExploit · Third Party Advisory
→
https://alpinelinux.org/posts/Alpine-3.8.1-released.htmlVendor Advisory
→
https://git.alpinelinux.org/cgit/apk-tools/commit/?id=6484ed9849f03971eb48ee1fdc21a2f128247eb1Patch · Vendor Advisory
→
https://justi.cz/security/2018/09/13/alpine-apk-rce.htmlExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2018-1000849
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-20
CISA KEVNo
Affected1 vendor(s)
PublishedDec 20, 2018

Related CVEs (CWE-20)

CVE-2002-2365
10.0
CVE-2002-2236
10.0
CVE-2002-1358
10.0
CVE-2002-1360
10.0
CVE-2002-1874
10.0
CVE-2003-1487
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-1000849 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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