Multiple vulnerabilities in IBM FlashSystem models 840 and 900

1) Security restrictions bypass

EUVDB-ID: #VU11946

Risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-2783

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to obtain potentially sensitive information and write arbitrary files on the target system.

The weakness exists in the Java SE, Java SE Embedded, JRockit component of Oracle Java SE due to improper security restrictions. A remote attacker can create, delete or modify critical data or all Java SE, Java SE Embedded, JRockit accessible data and gain unauthorized access to critical data or complete access to all Java SE, Java SE Embedded, JRockit accessible data.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FlashSystem 900 9840-AE3 and 9843-AE3: before 1.6.1.0

FlashSystem 900 9840-AE2 and 9843-AE2: before 1.6.1.0

FlashSystem 900 9843-UF3: before 1.6.1.0

FlashSystem 840 9840-AE1 & 9843-AE1: before 1.6.1.0

External links

http://www.ibm.com/support/pages/node/957127

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

2) Input validation error

EUVDB-ID: #VU81418

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1517

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via specially crafted String data

Mitigation

Install update from vendor's website.

Vulnerable software versions

FlashSystem 900 9840-AE3 and 9843-AE3: before 1.6.1.0

FlashSystem 900 9840-AE2 and 9843-AE2: before 1.6.1.0

FlashSystem 900 9843-UF3: before 1.6.1.0

FlashSystem 840 9840-AE1 & 9843-AE1: before 1.6.1.0

External links

http://www.ibm.com/support/pages/node/957127

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

3) Privilege escalation

EUVDB-ID: #VU15959

Risk: Low

CVSSv3.1: 7.3 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-12539

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local unauthenticated attacker to gain elevated privileges on the target system.

The weakness exists due to the failure to restrict the use of Java Attach API to connect to an Eclipse OpenJ9 or IBM JVM on the same machine and use Attach API operations to only the process owner. A local attacker can conduct directory traversal attack and extract compressed dump files.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FlashSystem 900 9840-AE3 and 9843-AE3: before 1.6.1.0

FlashSystem 900 9840-AE2 and 9843-AE2: before 1.6.1.0

FlashSystem 900 9843-UF3: before 1.6.1.0

FlashSystem 840 9840-AE1 & 9843-AE1: before 1.6.1.0

External links

http://www.ibm.com/support/pages/node/957127

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

4) Security restrictions bypass

EUVDB-ID: #VU15957

Risk: Low

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-3180

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to insufficient privileges and access controls. A remote attacker can bypass security restrictions to conduct further attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FlashSystem 900 9840-AE3 and 9843-AE3: before 1.6.1.0

FlashSystem 900 9840-AE2 and 9843-AE2: before 1.6.1.0

FlashSystem 900 9843-UF3: before 1.6.1.0

FlashSystem 840 9840-AE1 & 9843-AE1: before 1.6.1.0

External links

http://www.ibm.com/support/pages/node/957127

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

5) Buffer overflow

EUVDB-ID: #VU77337

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-12547

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to the jio_snprintf() and jio_vsnprintf() native methods ignored the length parameter. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FlashSystem 900 9840-AE3 and 9843-AE3: before 1.6.1.0

FlashSystem 900 9840-AE2 and 9843-AE2: before 1.6.1.0

FlashSystem 900 9843-UF3: before 1.6.1.0

FlashSystem 840 9840-AE1 & 9843-AE1: before 1.6.1.0

External links

http://www.ibm.com/support/pages/node/957127

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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