THREATPORT/VULNERABILITY/CVE-2008-3916
HIGH SEVERITY

CVE-2008-3916

Ed vulnerability

CVSS
9.3
EPSS
3.6%
EPSS pct
88th
Exploited
No known
Heap-based buffer overflow in the strip_escapes function in signal.c in GNU ed before 1.0 allows context-dependent or user-assisted attackers to execute arbitrary code via a long filename. NOTE: since ed itself does not typically run with special privileges, this issue only crosses privilege boundaries when ed is invoked as a third-party component.
Affected vendor
Gnu
Affected product
Ed
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2008-09-04

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 3.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2008-3916

  • Confirm whether Gnu Ed is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2008-3916.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-3916

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2008-3916 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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