Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect AIX

Summary

There are multiple vulnerabilities in IBM SDK Java Technology Edition, Versions 7, 7.1, 8 used by AIX. AIX has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2019-11775 DESCRIPTION: Eclipse OpenJ9 could allow a local attacker to gain elevated privileges on the system, caused by an error where the loop versioner fails to privatize a value that is pulled out of the loop by versioning. An attacker could exploit this vulnerability to corrupt memory and trigger an out-of-array-bounds and perform invalid actions.
CVSS Base Score: 8.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/164479&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2019-11772 DESCRIPTION: Eclipse OpenJ9 could allow a local attacker to gain elevated privileges on the system, caused by an out-of-bounds write in the String.getBytes method. An attacker could exploit this vulnerability to corrupt memory and write to any 32-bit address or beyond the end of a byte array within Java code run under a SecurityManager.
CVSS Base Score: 8.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/163990&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2019-2766 DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java SE, Java SE Embedded Networking component could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors.
CVSS Base Score: 3.1
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/163829&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N)

CVEID: CVE-2019-2786 DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java SE, Java SE Embedded Security component could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors.
CVSS Base Score: 3.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/163849&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N)

CVEID: CVE-2019-2816 DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java SE, Java SE Embedded Networking component could allow an unauthenticated attacker to cause low confidentiality impact, low integrity impact, and no availability impact.
CVSS Base Score: 4.8
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/163878&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID: CVE-2019-2762 DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java SE, Java SE Embedded Utilities component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/163826&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2019-2769 DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java SE, Java SE Embedded Utilities component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/163832&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2019-7317 DESCRIPTION: Mozilla Firefox is vulnerable to a denial of service, caused by a use-after-free in the png_image_free function in the libpng library. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 6.5
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/161346&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID: CVE-2019-4473 DESCRIPTION: Multiple binaries in IBM SDK, Java Technology Edition on the AIX platform use insecure absolute RPATHs, which may facilitate code injection and privilege elevation by local users.
CVSS Base Score: 8.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/163984&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2019-11771 DESCRIPTION: Eclipse OpenJ9 could allow a local attacker to gain elevated privileges on the system, caused by the inclusion of unused RPATHS in AIX builds. An attacker could exploit this vulnerability to inject code and gain elevated privileges on the system.
CVSS Base Score: 8.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/163989&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

AIX 7.1, 7.2

VIOS 2.2, 3.1

The following fileset levels (VRMF) are vulnerable, if the respective Java version is installed:

For Java7: Less than 7.0.0.650
For Java7.1: Less than 7.1.0.450
For Java8: Less than 8.0.0.540

Note: To find out whether the affected Java filesets are installed on your systems, refer to the lslpp command found in AIX user’s guide.

Example: lslpp -L | grep -i java

Remediation/Fixes

Note: Recommended remediation is to always install the most recent Java package available for the respective Java version.

IBM SDK, Java Technology Edition, Version 7 Service Refresh 10 Fix Pack 50 and subsequent releases:
32-bit
64-bit

IBM SDK, Java Technology Edition, Version 7R1 Service Refresh 4 Fix Pack 50 and subsequent releases:
32-bit
64-bit

IBM SDK, Java Technology Edition, Version 8 Service Refresh 5 Fix Pack 40 and subsequent releases:
32-bit
64-bit

Workarounds and Mitigations

None.