CVE-2013-4935 Vulnerability Analysis & Exploit Details

CVE-2013-4935
Vulnerability Scoring

4.3
/10
Medium Risk

While not critical, CVE-2013-4935 could compromise confidentiality or integrity in certain conditions.

Attack Complexity Details

  • Attack Complexity: Medium
    Attack Complexity Analysis In Progress
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: None
    No authentication is required for exploitation.
  • Scope:
    Impact is confined to the initially vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2013-4935 Details

Status: Deferred

Last updated: 🕧 11 Apr 2025, 00:51 UTC
Originally published on: 🕧 30 Jul 2013, 00:56 UTC

Time between publication and last update: 4272 days

CVSS Release: version 2

CVE-2013-4935 Vulnerability Summary

CVE-2013-4935: The dissect_per_length_determinant function in epan/dissectors/packet-per.c in the ASN.1 PER dissector in Wireshark 1.8.x before 1.8.9 and 1.10.x before 1.10.1 does not initialize a length field in certain abnormal situations, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

Assessing the Risk of CVE-2013-4935

Access Complexity Graph

The exploitability of CVE-2013-4935 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-2013-4935

Moderate complexity but no authentication required makes CVE-2013-4935 a potential risk.

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-2013-4935, 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-2013-4935, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2013-4935 does not compromise confidentiality.
  • Integrity: None
    CVE-2013-4935 does not impact data integrity.
  • Availability: None
    CVE-2013-4935 does not affect 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: 0.359% (probability of exploit)

EPSS Percentile: 72.46% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 27.540000000000006% of others.

CVE-2013-4935 References

External References

CWE Common Weakness Enumeration

CWE-189

Vulnerable Configurations

  • cpe:2.3:a:wireshark:wireshark:1.8.0:*:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:1.8.0:*:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:1.8.1:*:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:1.8.1:*:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:1.8.2:*:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:1.8.2:*:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:1.8.3:*:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:1.8.3:*:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:1.8.4:*:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:1.8.4:*:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:1.8.5:*:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:1.8.5:*:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:1.8.6:*:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:1.8.6:*:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:1.8.7:*:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:1.8.7:*:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:1.8.8:*:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:1.8.8:*:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:1.10.0:*:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:1.10.0:*:*:*:*:*:*:*

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