[Japanese]

JVNDB-2019-000040

Multiple vulnerabilities in VAIO Update

Overview

VAIO Update provided by Sony Corporation contains multiple vulnerabilities listed below.

*Improper authorization process (CWE-285) - CVE-2019-5981
*Improper verification of download file (CWE-669) - CVE-2019-5982

Device Security reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 7.8 (High) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics 6.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
The above CVSS base scores have been assigned for CVE-2019-5981


CVSS V3 Severity:
Base Metrics: 8.1 (High) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics: 5.1 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
The above CVSS base scores have been assigned for CVE-2019-5982
Affected Products


Sony Corporation
  • VAIO Update 7.3.0.03150 and earlier

Impact

*An attacker may execute arbitrarily executable files with administrative privilege. - CVE-2019-5981
*A successful man-in-the-middle attack may result in a specially crafted file prepared by an attacker being downloaded and executed. - CVE-2019-5982
Solution

[Update the Software]
Update to the latest version according to the information provided by the developer.
Vendor Information

Sony Corporation
CWE (What is CWE?)

  1. Permissions(CWE-264) [IPA Evaluation]
  2. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2019-5981
  2. CVE-2019-5982
References

  1. JVN : JVN#13555032
Revision History

  • [2019/06/21]
      Web page was published
  • [2019/06/26]
      CVSS Severity was modified