IBMF8DF1D3A1A2451F1138A183564087FB295782D3763E7129B0ACAA422CA907D2FSecurity Bulletin: Multiple vulnerabilities affect IBM CICS TX Advanced 11.1 and IBM CICS TX Standard 11.1 (CVE-2023-3978, CVE-2023-44487 and CVE-2023-39325).
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.9 High
AI Score
Confidence
High
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.72 High
EPSS
Percentile
98.0%
Summary
Multiple vulnerabilities affect IBM CICS TX Advanced 11.1 and IBM CICS TX Standard 11.1 (CVE-2023-3978, CVE-2023-44487 and CVE-2023-39325). IBM CICS TX Advanced 11.1 and IBM CICS TX Standard 11.1 have addressed the applicable issues.
Vulnerability Details
CVEID:CVE-2023-3978
**DESCRIPTION:**Golang html package is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability using a specially crafted URL to execute script in a victim’s Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
CVSS Base score: 6.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/262415 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
CVEID:CVE-2023-44487
**DESCRIPTION:**Multiple vendors are vulnerable to a denial of service, caused by a flaw in handling multiplexed streams in the HTTP/2 protocol. By sending numerous HTTP/2 requests and RST_STREAM frames over multiple streams, a remote attacker could exploit this vulnerability to cause a denial of service due to server resource consumption.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/268044 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVEID:CVE-2023-39325
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by an uncontrolled resource consumption flaw in the net/http and x/net/http2 packages. By sending specially crafted requests using HTTP/2 client, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/268645 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
|---|---|
| IBM CICS TX Advanced | 11.1 |
| IBM CICS TX Standard | 11.1 |
Remediation/Fixes
| Product(s) | Version(s) | Platform | Remediation / Fix |
|---|---|---|---|
| IBM CICS TX Advanced |
11.1
| Linux| Fix Central link
IBM CICS TX Standard|
11.1
| Linux| Fix Central link
Workarounds and Mitigations
None
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.9 High
AI Score
Confidence
High
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.72 High
EPSS
Percentile
98.0%