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Japan Vulnerability NotesJVN:21369452

HistoryJul 07, 2017 - 12:00 a.m.

JVN#21369452: Installers of Lhaz and Lhaz+, and Self-Extracting Archives created by Lhaz or Lhaz+ may insecurely load Dynamic Link Libraries

2017-07-0700:00:00

Japan Vulnerability Notes

jvn.jp

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

27.2%

JSON

Lhaz and Lhaz+ provided by Chitora soft contain the following vulnerabilities.

Installers of Lhaz and Lhaz+ insecurely load Dynamic Link Libraries (CWE-427) - CVE-2017-2246, CVE-2017-2248

Version	Vector	Score
CVSS v3	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	Base Score: 7.8
CVSS v2	AV:N/AC:M/Au:N/C:P/I:P/A:P	Base Score: 6.8

Self-extracting archive files created by Lhaz or Lhaz+ insecurely load Dynamic Link Libraries (CWE-427) - CVE-2017-2247, CVE-2017-2249

Version	Vector	Score
CVSS v3	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	Base Score: 7.8
CVSS v2	AV:N/AC:M/Au:N/C:P/I:P/A:P	Base Score: 6.8

Impact

Arbitrary code may be executed with the privilege of the user invoking the installer. - CVE-2017-2246, CVE-2017-2248
Arbitrary code may be executed with the privilege of the user invoking the self-extracting archive file. - CVE-2017-2247, CVE-2017-2249

Solution

Update the software
Update to the latest version according to the information provided by the developer.

Products Affected

Installer of Lhaz version 2.4.0 and earlier - CVE-2017-2246
Self-extracting archive files created by Lhaz version 2.4.0 and earlier - CVE-2017-2247
Installer of Lhaz+ version 3.4.0 and earlier - CVE-2017-2248
Self-extracting archive files created by Lhaz+ version 3.4.0 and earlier - CVE-2017-2249

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

27.2%

JSON

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