THREATPORT/VULNERABILITY/CVE-2017-7792
CRITICAL SEVERITY

CVE-2017-7792

Debian Linux vulnerability

CVSS
9.8
EPSS
3.3%
EPSS pct
87th
Exploited
No known
A buffer overflow will occur when viewing a certificate in the certificate manager if the certificate has an extremely long object identifier (OID). This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
Affected vendor
Debian
Affected product
Debian Linux
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-119 — Improper Restriction of Operations within Memory Bounds
Published
2018-06-11

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 3.3% 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-2017-7792

  • Confirm whether Debian Debian Linux is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-7792.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-7792

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