CVE-2015-3789

Quicktime vulnerability

CVSS

6.8

EPSS

3.6%

EPSS pct

88th

Exploited

No known

QuickTime 7 in Apple OS X before 10.10.5 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted file, a different vulnerability than CVE-2015-3765, CVE-2015-3779, CVE-2015-3788, CVE-2015-3790, CVE-2015-3791, CVE-2015-3792, CVE-2015-5751, CVE-2015-5753, and CVE-2015-5779.

Affected vendor

Apple

Affected product

Quicktime

CVSS vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2015-08-17

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial 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-2015-3789

Confirm whether Apple Quicktime is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2015-3789.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-3789

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2015-3789 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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