CVE-2017-9671

Alpine Linux vulnerability

CVSS

7.8

EPSS

3.2%

EPSS pct

87th

Exploited

No known

A heap overflow in apk (Alpine Linux's package manager) allows a remote attacker to cause a denial of service, or achieve code execution, by crafting a malicious APKINDEX.tar.gz file with a bad pax header block.

Affected vendor

Alpinelinux

Affected product

Alpine Linux

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2017-07-17

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2017-9671

Confirm whether Alpinelinux Alpine Linux is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-9671.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-9671

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