CVE-2023-34241 Vulnerability Analysis & Exploit Details

CVE-2023-34241
Vulnerability Scoring

5.3
/10
Significant Risk

Security assessments indicate that CVE-2023-34241 presents a notable risk, potentially requiring prompt mitigation.

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: None
    No user interaction is necessary for exploitation.

CVE-2023-34241 Details

Status: Modified

Last updated: 🕗 21 Nov 2024, 08:06 UTC
Originally published on: 🕚 22 Jun 2023, 23:15 UTC

Time between publication and last update: 517 days

CVSS Release: version 3

CVSS3 Source

security-advisories@github.com

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVE-2023-34241 Vulnerability Summary

CVE-2023-34241: OpenPrinting CUPS is a standards-based, open source printing system for Linux and other Unix-like operating systems. Starting in version 2.0.0 and prior to version 2.4.6, CUPS logs data of free memory to the logging service AFTER the connection has been closed, when it should have logged the data right before. This is a use-after-free bug that impacts the entire cupsd process. The exact cause of this issue is the function `httpClose(con->http)` being called in `scheduler/client.c`. The problem is that httpClose always, provided its argument is not null, frees the pointer at the end of the call, only for cupsdLogClient to pass the pointer to httpGetHostname. This issue happens in function `cupsdAcceptClient` if LogLevel is warn or higher and in two scenarios: there is a double-lookup for the IP Address (HostNameLookups Double is set in `cupsd.conf`) which fails to resolve, or if CUPS is compiled with TCP wrappers and the connection is refused by rules from `/etc/hosts.allow` and `/etc/hosts.deny`. Version 2.4.6 has a patch for this issue.

Assessing the Risk of CVE-2023-34241

Access Complexity Graph

The exploitability of CVE-2023-34241 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-2023-34241

With low attack complexity and no required privileges, CVE-2023-34241 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-2023-34241, 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-2023-34241, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2023-34241 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2023-34241 poses no threat to data integrity.
  • Availability: Low
    CVE-2023-34241 may slightly degrade system performance without fully affecting service availability.

Exploit Prediction Scoring System (EPSS)

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

EPSS Score: 0.061% (probability of exploit)

EPSS Percentile: 29.28% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 70.72% of others.

CVE-2023-34241 References

External References

CWE Common Weakness Enumeration

CWE-416

Vulnerable Configurations

  • cpe:2.3:a:openprinting:cups:2.2.0:-:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.0:-:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.2.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.2.0:beta1:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.0:beta1:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.2.0:beta2:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.0:beta2:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.2.2:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.2.3:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.3:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.2.4:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.4:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.2.5:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.5:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.2.6:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.6:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.2.7:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.7:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.2.8:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.8:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.2.9:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.9:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.2.10:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.10:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.2.11:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.11:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.2.12:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.12:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.2.13:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.2.13:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.3.0:-:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.3.0:-:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.3.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.3.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.3.0:beta1:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.3.0:beta1:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.3.0:beta2:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.3.0:beta2:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.3.0:beta3:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.3.0:beta3:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.3.0:beta4:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.3.0:beta4:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.3.0:beta5:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.3.0:beta5:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.3.0:beta6:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.3.0:beta6:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.3.0:beta7:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.3.0:beta7:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.3.0:beta8:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.3.0:beta8:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.3.3:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.3.3:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.4.0:-:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.4.0:-:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.4.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.4.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.4.0:beta1:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.4.0:beta1:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.4.3:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.4.3:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.4.4:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.4.4:*:*:*:*:*:*:*
  • cpe:2.3:a:openprinting:cups:2.4.5:*:*:*:*:*:*:*
    cpe:2.3:a:openprinting:cups:2.4.5:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
    cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
    cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
    cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:1.0:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:1.0:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:7.5.3:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:7.5.3:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:7.6:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:7.6:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:7.6.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:7.6.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:8.0:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:8.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:8.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:8.5:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:8.5:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:8.6:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:8.6:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:9:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:9:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:9.0:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:10.15.7:supplemental_update:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:10.15.7:supplemental_update:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.0:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.0:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.0.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.0.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.1.0:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.1.0:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.2:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.2:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.2.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.2.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.3:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.3:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.3.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.3.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.4:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.4:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.5:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.5:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.6:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.6:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.6.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.6.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.6.2:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.6.2:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.6.3:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.6.3:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.6.5:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.6.5:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.6.6:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.6.6:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.6.7:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.6.7:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.6.8:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.6.8:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.7:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.7:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.7.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.7.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.7.2:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.7.2:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.7.3:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.7.3:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.7.5:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.7.5:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.7.6:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.7.6:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:11.7.7:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:11.7.7:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.0.0:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.0.0:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.0.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.0.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.2:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.2:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.2.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.2.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.3:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.3:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.4:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.4:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.5:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.5:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.5.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.5.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.6:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.6:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.6.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.6.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.6.2:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.6.2:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.6.3:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.6.3:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.6.4:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.6.4:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.6.5:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.6.5:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.6.6:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.6.6:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:12.6.7:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:12.6.7:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:13.0:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:13.0:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:13.0.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:13.0.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:13.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:13.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:13.2:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:13.2:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:13.2.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:13.2.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:13.3:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:13.3:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:13.3.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:13.3.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:13.3.3:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:13.3.3:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:13.4:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:13.4:*:*:*:*:*:*:*

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