THREATPORT/VULNERABILITY/CVE-2015-4645
MEDIUM SEVERITY

CVE-2015-4645

Squashfs vulnerability

CVSS
5.5
EPSS
3.2%
EPSS pct
87th
Exploited
No known
Integer overflow in the read_fragment_table_4 function in unsquash-4.c in Squashfs and sasquatch allows remote attackers to cause a denial of service (application crash) via a crafted input, which triggers a stack-based buffer overflow.
Affected vendor
Squashfs Project
Affected product
Squashfs
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-190 — Integer Overflow or Wraparound
Published
2017-03-17

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 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-2015-4645

  • Confirm whether Squashfs Project Squashfs is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2015-4645.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-4645

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