Security Bulletin
Summary
IBM has announced a release for IBM Security Identity Governance and Intelligence (IGI) in response to address multiple security vulnerabilities. The libssh2 packages that implement the SSH2 protocol is affected by four vulnerabilities.
Vulnerability Details
CVEID: CVE-2019-3855
DESCRIPTION: libssh2 could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in transport read. By sending specially crafted packets, a remote attacker could exploit this vulnerability to trigger an out-of-bounds read and execute arbitrary code on the client system.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/158339 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVEID: CVE-2019-3856
DESCRIPTION: libssh2 could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in keyboard interactive handling. By sending a specially crafted request, a remote attacker could exploit this vulnerability to trigger an out-of-bounds write and execute arbitrary code on the client system.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/158340 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVEID: CVE-2019-3857
DESCRIPTION: libssh2 could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow. By sending a specially crafted SSH_MSG_CHANNEL_REQUEST packet with an exit signal message, a remote attacker could exploit this vulnerability to trigger an out-of-bounds write and execute arbitrary code on the client system.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/158341 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVEID: CVE-2019-3863
DESCRIPTION: libssh2 could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in user authenticate keyboard interactive. By sending a specially crafted message, a remote attacker could exploit this vulnerability to trigger an out-of-bounds write and execute arbitrary code on the client system.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/158347 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
Affected Products and Versions
Remediation/Fixes
Product Name |
VRMF | First Fix |
IGI | 5.2 | 5.2.5.0-ISS-SIGI-FP0001 |
IGI | 5.2.1 | 5.2.5.0-ISS-SIGI-FP0001 |
IGI | 5.2.2 | 5.2.5.0-ISS-SIGI-FP0001 |
IGI | 5.2.2.1 | 5.2.5.0-ISS-SIGI-FP0001 |
IGI | 5.2.3 | 5.2.5.0-ISS-SIGI-FP0001 |
IGI | 5.2.3.1 | 5.2.5.0-ISS-SIGI-FP0001 |
IGI | 5.2.3.2 | 5.2.5.0-ISS-SIGI-FP0001 |
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Change History
10 July 2019: Original Version Published
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Internal Use Only
Document Location
Worldwide
Product Synonym
IGI; IGA
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Document Information
Modified date:
16 July 2019
UID
ibm10958843