Security Bulletin
Summary
IBM HTTP Server (IHS) is shipped as a component of IBM Rational ClearCase. Information about a security vulnerability affecting IHS has been published in a security bulletin. ( CVE-2022-25315, CVE-2022-25313, CVE-2022-25235, CVE-2022-25236 )
Vulnerability Details
CVEID: CVE-2022-25315
DESCRIPTION: libexpat could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in storeRawNames. By persuading a victim to open a specially-crafted file, an attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base score: 7.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/219945 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVEID: CVE-2022-25313
DESCRIPTION: libexpat is vulnerable to a denial of service, caused by stack exhaustion in build_model. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability using a large nesting depth in the DTD element to cause a denial of service.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/219947 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
CVEID: CVE-2022-25235
DESCRIPTION: libexpat is vulnerable to a denial of service, caused by improper input validation in xmltok_impl.c. By persuading a victim to open a specially-crafted content with malformed encoding, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/219782 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2022-25236
DESCRIPTION: libexpat is vulnerable to a denial of service, caused by improper protection against insertion of namesep characters into namespace URIs in xmlparse.c. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/219784 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVEID: CVE-1999-0002
DESCRIPTION: Some implementations of the software that NFS (Network File System) servers use to log requests to use file systems could allow a remote attacker to gain administrative access to the vulnerable NFS file server. This vulnerability does not require an account on the target computer.
CVSS Base score: 10
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/1411 for the current score.
CVSS Vector:
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM Rational ClearCase | 8.0.0 |
| IBM Rational ClearCase | 9.0 |
| IBM Rational ClearCase | 9.0.1 |
| IBM Rational ClearCase | 9.1 |
| IBM Rational ClearCase | 9.0.2 |
| IBM Rational ClearCase | 8.0.1 |
Remediation/Fixes
Refer to the following security bulletin(s) for vulnerability details and information about fixes addressed by IBM WebSphere Application Server (WAS) which is shipped with IBM Rational ClearCase.
| Principal Product and Version(s) | Affected Supporting Product and Version | Affected Supporting Product Security Bulletin |
|
IBM Rational ClearCase, versions 8.0.0.x, 8.0.1.x, 9.0.0.x, 9.0.1.x, 9.0.2.x, 9.1.x |
IBM HTTP Server version 7.0, 8.0, 8.5, 9.0 |
Security Bulletin: Multiple vulnerabilities in IBM HTTP Server used by IBM WebSphere Application Server due to Expat vulnerabilities ( CVE-2022-25315, CVE-2022-25313, CVE-2022-25235, CVE-2022-25236 )
|
|
ClearCase Versions
|
Applying the fix
|
| 8.0.0.x, 8.0.1.x, 9.0.0.x, 9.0.1.x, 9.0.2.x, 9.1.x | Apply the appropriate IBM HTTP Server fix (see bulletin link above) directly to your CCRC WAN server host. No ClearCase-specific steps are necessary. |
For 8.0.x and earlier releases, IBM recommends upgrading to a fixed, supported version/release/platform of the product.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
1 Apr 2022: Initial Publication
*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.
Document Location
Worldwide
Was this topic helpful?
Document Information
Modified date:
01 April 2022
Initial Publish date:
01 April 2022
UID
ibm16568683