Vulnerability Monitor

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CVE-2018-1000849

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.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.8, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 1 product from alpinelinux organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2018-12-20T15:29:02.347

Last Modified

2024-11-21T03:40:29.457

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	alpinelinux	alpine_linux	< 2.6.10	Yes
Operating System	alpinelinux	alpine_linux	< 2.7.6	Yes
Operating System	alpinelinux	alpine_linux	< 2.10.1	Yes

References

https://alpinelinux.org/posts/Alpine-3.8.1-released.html Vendor Advisory ([email protected])
https://git.alpinelinux.org/cgit/apk-tools/commit/?id=6484ed9849f03971eb48ee1fdc21a2f128247eb1 Patch, Vendor Advisory ([email protected])
https://justi.cz/security/2018/09/13/alpine-apk-rce.html Exploit, Third Party Advisory ([email protected])
https://alpinelinux.org/posts/Alpine-3.8.1-released.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.alpinelinux.org/cgit/apk-tools/commit/?id=6484ed9849f03971eb48ee1fdc21a2f128247eb1 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://justi.cz/security/2018/09/13/alpine-apk-rce.html Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For alpinelinux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.