IBMB61307CAECBB5590BF8837472BAB9C85B9153B31B334257C484DD1ADD641B9EDSecurity Bulletin: IBM Security Directory Server is affected by multiple vulnerabilities in GSKit
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
Summary
IBM Security Directory Server has addressed the following vulnerabilities caused by issues in GSKit.
Vulnerability Details
CVEID: CVE-2018-1427
**DESCRIPTION:*IBM GSKit contains several enviornment variables that a local attacker could overflow and cause a denial of service.
CVSS Base Score: 6.2
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/139072> for the current score
CVSS Environmental Score: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVEID: CVE-2018-1426
**DESCRIPTION:*IBM GSKit duplicates the PRNG state across fork() system calls when multiple ICC instances are loaded which could result in duplicate Session IDs and a risk of duplicate key material.
CVSS Base Score: 7.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/139071> for the current score
CVSS Environmental Score: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)
CVEID: CVE-2016-0702 DESCRIPTION: OpenSSL could allow a local attacker to obtain sensitive information, caused by a side-channel attack against a system based on the Intel Sandy-Bridge microarchitecture. An attacker could exploit this vulnerability to recover RSA keys.
CVSS Base Score: 2.9
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/111144> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)
CVEID: CVE-2018-1447 DESCRIPTION: The GSKit CMS KDB logic fails to salt the hash function resulting in weaker than expected protection of passwords. A weak password may be recovered. Note: After update the customer should change password to ensure the new password is stored more securely. Products should encourage customers to take this step as a high priority action.
CVSS Base Score: 5.1
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/139972> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
Affected Products and Versions
| Affected IBM Security Directory Server | Affected SDS Versions | Affected GSKit Versions |
|---|---|---|
| IBM Tivoli Directory Server | 6.2 - 6.2.0.55, 6.3 - 6.3.0.48 | 7.0.5.14 and lower |
| IBM Security Directory Server | 6.3.1 - 6.3.1.23, 6.4 - 6.4.0.15 | 8.0.50.85 and lower |
Remediation/Fixes
| Affected IBM Security Directory Server | VRMF | Updated GSKit Version | Remediation |
|---|---|---|---|
| IBM Tivoli Directory Server | 6.2 - 6.2.0.55 | 7.0.5.15 | 6.2.0.56-ISS-ITDS-IF0056 |
| IBM Tivoli Directory Server | 6.3 - 6.3.0.48 | 8.0.50.89 | 6.3.0.49-ISS-ITDS-IF0049 |
| IBM Security Directory Server | 6.3.1 - 6.3.1.23 | 8.0.50.89 | 6.3.1.24-ISS-ISDS-IF0024 |
| IBM Security Directory Server | 6.4 - 6.4.0.15 | 8.0.50.89 | 6.4.0.16-ISS-ISDS-IF0016 |
Related
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N