CVE-2020-24338: Vulnerability Analysis & Exploit Details

Status: Analyzed - Last modified: 14-12-2020 Published: 11-12-2020

CVE-2020-24338
Vulnerability Scoring

9.8
/10

Attack Complexity Details

  • Attack Complexity: Low Impact
  • Attack Vector: NETWORK
  • Privileges Required: None
  • Scope: UNCHANGED
  • User Interaction: NONE

CIA Impact Definition

  • Confidentiality: HIGH IMPACT
  • Integrity: HIGH IMPACT
  • Availability: HIGH IMPACT

CVE-2020-24338 Vulnerability Summary

An issue was discovered in picoTCP through 1.7.0. The DNS domain name record decompression functionality in pico_dns_decompress_name() in pico_dns_common.c does not validate the compression pointer offset values with respect to the actual data present in a DNS response packet, causing out-of-bounds writes that lead to Denial-of-Service and Remote Code Execution.

Access Complexity Graph for CVE-2020-24338

Impact Analysis for CVE-2020-24338

CVE-2020-24338: Detailed Information and External References

EPSS

0.85579

EPSS %

0.98819

References

0.85579

CWE

CWE-787

Vulnerable Configurations

  • cpe:2.3:a:altran:picotcp:1.0:*:*:*:*:*:*:*
    cpe:2.3:a:altran:picotcp:1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:altran:picotcp:1.1:rc1:*:*:*:*:*:*
    cpe:2.3:a:altran:picotcp:1.1:rc1:*:*:*:*:*:*
  • cpe:2.3:a:altran:picotcp:1.2:*:*:*:*:*:*:*
    cpe:2.3:a:altran:picotcp:1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:altran:picotcp:1.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:altran:picotcp:1.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:altran:picotcp:1.2.2:*:*:*:*:*:*:*
    cpe:2.3:a:altran:picotcp:1.2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:altran:picotcp:1.2.3:*:*:*:*:*:*:*
    cpe:2.3:a:altran:picotcp:1.2.3:*:*:*:*:*:*:*
  • cpe:2.3:a:altran:picotcp:1.2.4:*:*:*:*:*:*:*
    cpe:2.3:a:altran:picotcp:1.2.4:*:*:*:*:*:*:*
  • cpe:2.3:a:altran:picotcp:1.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:altran:picotcp:1.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:altran:picotcp:1.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:altran:picotcp:1.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:altran:picotcp:1.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:altran:picotcp:1.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:altran:picotcp:1.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:altran:picotcp:1.5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:altran:picotcp:1.5.1:*:*:*:*:*:*:*
    cpe:2.3:a:altran:picotcp:1.5.1:*:*:*:*:*:*:*
  • cpe:2.3:a:altran:picotcp:1.6.0:*:*:*:*:*:*:*
    cpe:2.3:a:altran:picotcp:1.6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:altran:picotcp:1.6.1:*:*:*:*:*:*:*
    cpe:2.3:a:altran:picotcp:1.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:altran:picotcp:1.6.2:*:*:*:*:*:*:*
    cpe:2.3:a:altran:picotcp:1.6.2:*:*:*:*:*:*:*
  • cpe:2.3:a:altran:picotcp:1.7.0:*:*:*:*:*:*:*
    cpe:2.3:a:altran:picotcp:1.7.0:*:*:*:*:*:*:*

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

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

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