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HistoryDec 06, 2022 - 6:59 a.m.

Security Bulletin: IBM Security SiteProtector System is affected by multiple Apache HTTP Server Vulnerabilities

2022-12-0606:59:00
www.ibm.com
20
ibm security siteprotector
apache http server
vulnerabilities
cve-2022-43680
cve-2017-9233
cve-2013-0340
denial of service

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.5

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

AI Score

7.6

Confidence

High

EPSS

0.005

Percentile

76.9%

Summary

Apache HTTP Server provides HTTP services for SiteProtector. IBM Security SiteProtector System has addressed the following vulnerabilities in an express update (CVE-2022-43680, CVE-2017-9233, CVE-2013-0340) :

Vulnerability Details

**CVEID:**CVE-2022-43680 DESCRIPTION: libexpat is vulnerable to a denial of service, caused by a use-after free created by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations. A remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/238951 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-2017-9233 DESCRIPTION: libexpat is vulnerable to a denial of service, caused by a XML External Entity vulnerability in the parser. By using a specially-crafted XML file, a remote attacker could exploit this vulnerability to cause an infinite loop.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/129459 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-2013-0340 DESCRIPTION: expat is vulnerable to a denial of service, caused by the improper handling of internal entity expansion. By persuading a victim to open a specially crafted XML document, an attacker could exploit this vulnerability to consume all available resources.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/132738 for the current score.
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P)

Affected Products and Versions

Affected Product(s) Version(s)
IBM Security SiteProtector System 3.1.1

Remediation/Fixes

Product VRMF Remediation/Fixes
IBM SiteProtector system 3.1.1.20 Apply the appropriate express update (XPU) as identified in SiteProtector console agent view. UpdateServer_3_1_1_20.pkg

Workarounds and Mitigations

None

Affected configurations

Vulners
Node
ibmsecurity_siteprotector_systemMatch3.1.1.20
VendorProductVersionCPE
ibmsecurity_siteprotector_system3.1.1.20cpe:2.3:a:ibm:security_siteprotector_system:3.1.1.20:*:*:*:*:*:*:*

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.5

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

AI Score

7.6

Confidence

High

EPSS

0.005

Percentile

76.9%