CVE-2018-4886 Vulnerability Analysis & Exploit Details

CVE-2018-4886
Vulnerability Scoring

6.5
/10
High Risk

If left unpatched, CVE-2018-4886 could lead to major system disruptions or data loss.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: Required
    User interaction is necessary for successful exploitation.

CVE-2018-4886 Details

Status: Modified

Last updated: 🕓 21 Nov 2024, 04:07 UTC
Originally published on: 🕔 27 Feb 2018, 05:29 UTC

Time between publication and last update: 2458 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

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

CVE-2018-4886 Vulnerability Summary

CVE-2018-4886: An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability occurs as a result of computation that reads data that is past the end of the target buffer; the computation occurs in the image conversion engine when processing Enhanced Metafile Format (EMF) data related to handling of bitmap rectangles. A successful attack can lead to sensitive data exposure.

Assessing the Risk of CVE-2018-4886

Access Complexity Graph

The exploitability of CVE-2018-4886 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2018-4886

With low attack complexity and no required privileges, CVE-2018-4886 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2018-4886, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2018-4886, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2018-4886 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: None
    CVE-2018-4886 poses no threat to data integrity.
  • Availability: None
    CVE-2018-4886 does not impact system availability.

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 3.906% (probability of exploit)

EPSS Percentile: 92.05% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 7.950000000000003% of others.

CVE-2018-4886 References

External References

CWE Common Weakness Enumeration

CWE-125

CAPEC Common Attack Pattern Enumeration and Classification

  • Overread Buffers CAPEC-540 An adversary attacks a target by providing input that causes an application to read beyond the boundary of a defined buffer. This typically occurs when a value influencing where to start or stop reading is set to reflect positions outside of the valid memory location of the buffer. This type of attack may result in exposure of sensitive information, a system crash, or arbitrary code execution.

Vulnerable Configurations

  • cpe:2.3:a:adobe:acrobat:17.0:*:*:*:*:*:*:*
    cpe:2.3:a:adobe:acrobat:17.0:*:*:*:*:*:*:*
  • cpe:2.3:a:adobe:acrobat:17.008.30051:*:*:*:*:*:*:*
    cpe:2.3:a:adobe:acrobat:17.008.30051:*:*:*:*:*:*:*
  • cpe:2.3:a:adobe:acrobat:17.011.30059:*:*:*:*:*:*:*
    cpe:2.3:a:adobe:acrobat:17.011.30059:*:*:*:*:*:*:*
  • cpe:2.3:a:adobe:acrobat:17.011.30065:*:*:*:*:*:*:*
    cpe:2.3:a:adobe:acrobat:17.011.30065:*:*:*:*:*:*:*
  • cpe:2.3:a:adobe:acrobat:17.011.30066:*:*:*:*:*:*:*
    cpe:2.3:a:adobe:acrobat:17.011.30066:*:*:*:*:*:*:*
  • cpe:2.3:a:adobe:acrobat:17.011.30068:*:*:*:*:*:*:*
    cpe:2.3:a:adobe:acrobat:17.011.30068:*:*:*:*:*:*:*
  • cpe:2.3:a:adobe:acrobat:17.011.30070:*:*:*:*:*:*:*
    cpe:2.3:a:adobe:acrobat:17.011.30070:*:*:*:*:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.0:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.0:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.000.0000:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.000.0000:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.000.0000:*:*:*:continuous:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.000.0000:*:*:*:continuous:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30033:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30033:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30060:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30060:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30094:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30094:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30096:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30096:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30097:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30097:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30119:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30119:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30121:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30121:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30172:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30172:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30173:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30173:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30174:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30174:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30198:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30198:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30201:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30201:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30243:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30243:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30244:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30244:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30279:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30279:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30280:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30280:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30306:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30306:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30352:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30352:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30354:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30354:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30355:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30355:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30392:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30392:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:15.006.30394:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:15.006.30394:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:18.0:*:*:*:continuous:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:18.0:*:*:*:continuous:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:18.009.20044:*:*:*:continuous:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:18.009.20044:*:*:*:continuous:*:*:*
  • cpe:2.3:a:adobe:acrobat_dc:18.009.20050:*:*:*:continuous:*:*:*
    cpe:2.3:a:adobe:acrobat_dc:18.009.20050:*:*:*:continuous:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader:17.0:*:*:*:*:*:*:*
    cpe:2.3:a:adobe:acrobat_reader:17.0:*:*:*:*:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader:17.008.30051:*:*:*:*:*:*:*
    cpe:2.3:a:adobe:acrobat_reader:17.008.30051:*:*:*:*:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader:17.011.30059:*:*:*:*:*:*:*
    cpe:2.3:a:adobe:acrobat_reader:17.011.30059:*:*:*:*:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader:17.011.30065:*:*:*:*:*:*:*
    cpe:2.3:a:adobe:acrobat_reader:17.011.30065:*:*:*:*:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader:17.011.30066:*:*:*:*:*:*:*
    cpe:2.3:a:adobe:acrobat_reader:17.011.30066:*:*:*:*:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader:17.011.30068:*:*:*:*:*:*:*
    cpe:2.3:a:adobe:acrobat_reader:17.011.30068:*:*:*:*:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader:17.011.30070:*:*:*:*:*:*:*
    cpe:2.3:a:adobe:acrobat_reader:17.011.30070:*:*:*:*:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.0:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.0:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.000.0000:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.000.0000:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.000.0000:*:*:*:continuous:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.000.0000:*:*:*:continuous:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30033:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30033:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30060:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30060:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30094:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30094:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30096:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30096:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30097:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30097:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30119:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30119:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30121:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30121:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30172:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30172:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30173:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30173:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30174:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30174:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30198:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30198:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30201:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30201:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30243:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30243:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30244:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30244:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30279:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30279:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30280:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30280:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30306:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30306:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30352:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30352:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30354:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30354:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30355:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30355:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30392:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30392:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30394:*:*:*:classic:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:15.006.30394:*:*:*:classic:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:18.0:*:*:*:continuous:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:18.0:*:*:*:continuous:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:18.009.20044:*:*:*:continuous:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:18.009.20044:*:*:*:continuous:*:*:*
  • cpe:2.3:a:adobe:acrobat_reader_dc:18.009.20050:*:*:*:continuous:*:*:*
    cpe:2.3:a:adobe:acrobat_reader_dc:18.009.20050:*:*:*:continuous:*:*:*

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