CVE-2017-10685

Ncurses vulnerability

CVSS

9.8

EPSS

4.3%

EPSS pct

90th

Exploited

No known

In ncurses 6.0, there is a format string vulnerability in the fmt_entry function. A crafted input will lead to a remote arbitrary code execution attack.

Affected vendor

Invisible Island

Affected product

Ncurses

CVSS vector

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

Weakness type (CWE)

CWE-134 — Uncontrolled Format String

Published

2017-06-29

Risk analysis

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

Its EPSS score of 4.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2017-10685

Confirm whether Invisible Island Ncurses is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-10685.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-10685

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-10685 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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