Multiple vulnerabilities in LINE: Free Calls & Messages app for Android

Published: 2019-09-19 | Updated: 2019-09-20
Severity High
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2019-6007
CVE-2019-6010
CWE ID CWE-190
CWE-94
Exploitation vector Network
Public exploit N/A
Vulnerable software LINE: Free Calls & Messages Subscribe
Vendor LINE Corporation

Security Advisory

1) Integer overflow

Severity: Low

CVSSv3: 3.1 [CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-6007

CWE-ID: CWE-190 - Integer Overflow or Wraparound

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow. A remote attacker can pass specially crafted input to the application, trigger integer overflow and crash the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LINE: Free Calls & Messages: 4.4.0, 7.11.2, 7.13.0, 7.13.1, 7.14.0, 7.15.2, 7.16.1, 7.16.2, 7.16.3, 7.17.1, 7.17.2, 7.18.0, 8.0.0, 8.0.1, 8.0.2, 8.1.1, 8.2.0, 8.2.1, 8.2.2, 8.2.3, 8.2.4, 8.3.0, 8.3.1, 8.3.2, 8.4.1, 8.4.2, 8.5.0, 8.5.1, 8.5.2, 8.5.3, 8.6.0, 8.6.1, 8.6.2, 8.6.5, 8.7.0, 8.8.1, 8.8.3, 8.9.0, 8.10.0, 8.10.1, 8.10.2, 8.11.0, 8.12.1, 8.12.2, 8.13.0, 8.13.2, 8.13.3, 8.13.4, 8.14.0, 8.14.1, 8.14.2, 8.14.3, 8.15.0, 8.15.1, 8.15.2, 8.15.3, 8.16.0, 8.16.1, 8.16.2, 8.16.3, 8.17.0, 8.17.1, 8.18.0, 8.18.1, 8.19.0, 8.19.1, 8.19.2, 9.1.0, 9.1.1, 9.2.0, 9.2.1, 9.2.2, 9.4.0, 9.4.1, 9.4.2, 9.4.5, 9.6.0, 9.6.1, 9.7.0, 9.7.5, 9.7.6, 9.8.0, 9.8.1, 9.10.0, 9.10.1, 9.10.2

CPE External links

http://jvn.jp/en/jp/JVN97845465/index.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted app.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Code Injection

Severity: High

CVSSv3: 8.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-6010

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation when processing image files. A remote attacker can send a specially crafted image to the affected application, trigger inteher overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

LINE: Free Calls & Messages: 4.4.0, 7.11.2, 7.13.0, 7.13.1, 7.14.0, 7.15.2, 7.16.1, 7.16.2, 7.16.3, 7.17.1, 7.17.2, 7.18.0, 8.0.0, 8.0.1, 8.0.2, 8.1.1, 8.2.0, 8.2.1, 8.2.2, 8.2.3, 8.2.4, 8.3.0, 8.3.1, 8.3.2, 8.4.1, 8.4.2, 8.5.0, 8.5.1, 8.5.2, 8.5.3, 8.6.0, 8.6.1, 8.6.2, 8.6.5, 8.7.0, 8.8.1, 8.8.3, 8.9.0, 8.10.0, 8.10.1, 8.10.2, 8.11.0, 8.12.1, 8.12.2, 8.13.0, 8.13.2, 8.13.3, 8.13.4, 8.14.0, 8.14.1, 8.14.2, 8.14.3, 8.15.0, 8.15.1, 8.15.2, 8.15.3, 8.16.0, 8.16.1, 8.16.2, 8.16.3, 8.17.0, 8.17.1, 8.18.0, 8.18.1, 8.19.0, 8.19.1, 8.19.2, 9.1.0, 9.1.1, 9.2.0, 9.2.1, 9.2.2, 9.4.0, 9.4.1, 9.4.2, 9.4.5, 9.6.0, 9.6.1, 9.7.0, 9.7.5, 9.7.6, 9.8.0, 9.8.1, 9.10.0, 9.10.1, 9.10.2

CPE External links

http://jvn.jp/en/jp/JVN97845465/index.html
https://play.google.com/store/apps/details?id=jp.naver.line.android&hl=en

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted app.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.