CVE-2018-1324

Commons Compress vulnerability

CVSS

5.5

EPSS

3.7%

EPSS pct

89th

Exploited

No known

A specially crafted ZIP archive can be used to cause an infinite loop inside of Apache Commons Compress' extra field parser used by the ZipFile and ZipArchiveInputStream classes in versions 1.11 to 1.15. This can be used to mount a denial of service attack against services that use Compress' zip package.

Affected vendor

Apache

Affected product

Commons Compress

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness type (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

Published

2018-03-16

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 availability.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2018-1324

Confirm whether Apache Commons Compress is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-1324.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-1324

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-1324 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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