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Security Bulletin: Multiple vulnerabilities in IBM HTTP Server affect IBM Security Access Manager for Enterprise Single Sign-On

Created by Raghavan Arun on
Published URL:
https://www.ibm.com/support/pages/node/1078299
1078299

Security Bulletin


Summary

These issues were also addressed by IBM WebSphere Application Server shipped with IBM Security Access Manager for Enterprise Single Sign-On.

Vulnerability Details

CVEID: CVE-2018-20843
DESCRIPTION: libexpat is vulnerable to a denial of service, caused by an error in the XML parser. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to consume all available CPU resources.
CVSS Base Score: 3.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/163073 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L)
 

CVEID: CVE-2019-10092
DESCRIPTION: Apache HTTP Server is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the mod_proxy error page. A remote attacker could cause the link on the error page to be malfomed and instead point to a page of their choice. An attacker could use this vulnerability to steal the victim''s cookie-based authentication credentials.
CVSS Base Score: 4.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/165367 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:L/A:N)

CVEID: CVE-2019-10098
DESCRIPTION: Apache HTTP Server could allow a remote attacker to conduct phishing attacks, caused by an open redirect vulnerability in the mod_rewrite module. An attacker could exploit this vulnerability using a specially-crafted URL to redirect a victim to arbitrary Web sites.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/165366 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

IBM Security Access Manager for Enterprise Single Sign-On 8.2.1, 8.2.2

Remediation/Fixes

Refer to the following security bulletins for vulnerability details and information about fixes addressed by IBM WebSphere Application Server which is shipped with IBM Security Access Manager for Enterprise Single Sign-On.
Principal Product and Version(s) Affected Supporting Product and Version Affected Supporting Product Security Bulletin
IBM Security Access Manager for Enterprise Single Sign-On 8.2.1 IBM WebSphere Application Server 8.5 Security Bulletin: Multiple vulnerabilities in IBM HTTP Server used by WebSphere Application Server
IBM Security Access Manager for Enterprise Single Sign-On 8.2.2 IBM WebSphere Application Server 8.5 Security Bulletin: Multiple vulnerabilities in IBM HTTP Server used by WebSphere Application Server

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

*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

PSIRT Record 145602

Document Location

Worldwide

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Product Synonym

ISAM ESSO

Document Information

Modified date:
09 October 2019

UID

ibm11078299