Multiple vulnerabilities in IBM Informix Dynamic Server



| Updated: 2020-08-08
Risk Low
Patch available YES
Number of vulnerabilities 7
CVE-ID CVE-2018-1632
CVE-2018-1633
CVE-2018-1634
CVE-2018-1635
CVE-2018-1636
CVE-2018-1796
CVE-2019-4253
CWE-ID CWE-264
CWE-119
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Informix Dynamic Server
Server applications / Web servers

Vendor IBM Corporation

Security Bulletin

This security bulletin contains information about 7 vulnerabilities.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU35619

Risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1632

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

Exploit availability: No

Description

The vulnerability allows a local privileged user to execute arbitrary code.

IBM Informix Dynamic Server Enterprise Edition 12.1 could allow a local user logged in with database administrator user to gain root privileges through a symbolic link vulnerability in .infxdirs. IBM X-Force ID: 144432.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Informix Dynamic Server: 12.10

CPE2.3 External links

https://www.ibm.com/support/docview.wss?uid=ibm10964987
https://exchange.xforce.ibmcloud.com/vulnerabilities/144432
https://security.netapp.com/advisory/ntap-20190903-0002/


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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU35620

Risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1633

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

Exploit availability: No

Description

The vulnerability allows a local privileged user to execute arbitrary code.

IBM Informix Dynamic Server Enterprise Edition 12.1 could allow a local user logged in with database administrator user to gain root privileges through a symbolic link vulnerability in onsrvapd. IBM X-Force ID: 144434.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Informix Dynamic Server: 12.10

CPE2.3 External links

https://www.ibm.com/support/docview.wss?uid=ibm10964987
https://exchange.xforce.ibmcloud.com/vulnerabilities/144434
https://security.netapp.com/advisory/ntap-20190903-0002/


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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

3) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU35621

Risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1634

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

Exploit availability: No

Description

The vulnerability allows a local privileged user to execute arbitrary code.

IBM Informix Dynamic Server Enterprise Edition 12.1 could allow a local user logged in with database administrator user to gain root privileges through a symbolic link vulnerability in infos.DBSERVERNAME. IBM X-Force ID: 144437.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Informix Dynamic Server: 12.10

CPE2.3 External links

https://www.ibm.com/support/docview.wss?uid=ibm10964987
https://exchange.xforce.ibmcloud.com/vulnerabilities/144437
https://security.netapp.com/advisory/ntap-20190903-0002/


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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

4) Buffer overflow

EUVDB-ID: #VU35622

Risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1635

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local privileged user to execute arbitrary code.

Stack-based buffer overflow in oninit in IBM Informix Dynamic Server Enterprise Edition 12.1 allows an authenticated user to execute predefined code with root privileges, such as escalating to a root shell. IBM X-Force ID: 144439.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Informix Dynamic Server: 12.10

CPE2.3 External links

https://www.ibm.com/support/docview.wss?uid=ibm10964987
https://exchange.xforce.ibmcloud.com/vulnerabilities/144439
https://security.netapp.com/advisory/ntap-20190903-0002/


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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

5) Buffer overflow

EUVDB-ID: #VU35623

Risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1636

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local privileged user to execute arbitrary code.

Stack-based buffer overflow in oninit in IBM Informix Dynamic Server Enterprise Edition 12.1 allows an authenticated user to execute predefined code with root privileges, such as escalating to a root shell. IBM X-Force ID: 144441.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Informix Dynamic Server: 12.10

CPE2.3 External links

https://www.ibm.com/support/docview.wss?uid=ibm10964987
https://exchange.xforce.ibmcloud.com/vulnerabilities/144441
https://security.netapp.com/advisory/ntap-20190903-0002/


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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

6) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU35624

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1796

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

Exploit availability: No

Description

The vulnerability allows a local authenticated user to execute arbitrary code.

IBM Informix Dynamic Server Enterprise Edition 12.1 could allow a local user to load malicious libraries and gain root privileges. IBM X-Force ID: 149426.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Informix Dynamic Server: 12.10

CPE2.3 External links

https://www.ibm.com/support/docview.wss?uid=ibm10964987
https://exchange.xforce.ibmcloud.com/vulnerabilities/149426


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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

7) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU35625

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-4253

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

Exploit availability: No

Description

The vulnerability allows a local authenticated user to execute arbitrary code.

IBM Informix Dynamic Server Enterprise Edition 12.1 could allow a local privileged Informix user to load a malicious shared library and gain root access privileges. IBM X-Force ID: 159941.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Informix Dynamic Server: 12.10

CPE2.3 External links

https://www.ibm.com/support/docview.wss?uid=ibm10964987
https://exchange.xforce.ibmcloud.com/vulnerabilities/159941
https://security.netapp.com/advisory/ntap-20190903-0002/


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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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