CVE-2017-16362

Acrobat vulnerability

CVSS

8.8

EPSS

6.7%

EPSS pct

93th

Exploited

No known

An issue was discovered in Adobe Acrobat and Reader: 2017.012.20098 and earlier versions, 2017.011.30066 and earlier versions, 2015.006.30355 and earlier versions, and 11.0.22 and earlier versions. This vulnerability is an instance of an out of bounds read vulnerability in the MakeAccesible plugin, when handling font data. It causes an out of bounds memory access, which sometimes triggers an access violation exception. Attackers can exploit the vulnerability by using the out of bounds access for unintended reads, writes, or frees, potentially leading to code corruption, control-flow hijack, or an information leak attack.

Affected vendor

Adobe

Affected product

Acrobat

CVSS vector

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

Weakness type (CWE)

CWE-125 — Out-of-bounds Read

Published

2017-12-09

Risk analysis

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

Its EPSS score of 6.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2017-16362

Confirm whether Adobe Acrobat is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-16362.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-16362

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