Security Bulletin
Summary
Apache HTTP Server as used by IBM QRadar SIEM contains multiple vulnerabilities which include buffer overflow and denial of service.
Vulnerability Details
CVEID: CVE-2021-44790
DESCRIPTION: Apache HTTP Server is vulnerable to a buffer overflow, caused by improper bounds checking in the mod_lua multipart parser called from Lua scripts). By sending a specially crafted request, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215686 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVEID: CVE-2021-34798
DESCRIPTION: Apache HTTP Server is vulnerable to a denial of service, caused by a NULL pointer dereference in httpd core. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/209518 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVEID: CVE-2021-39275
DESCRIPTION: Apache HTTP Server is vulnerable to a buffer overflow, caused by improper bounds checking by the ap_escape_quotes() function. By sending specially crafted input, a remote attacker could write beyond the end of a buffer.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/209529 for the current score.
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 QRadar SIEM 7.5.0 GA
IBM QRadar SIEM 7.4.3 GA - 7.4.3 Fix Pack 4
IBM QRadar SIEM 7.3.3 GA - 7.3.3 Fix Pack 10
Remediation/Fixes
QRadar / QRM / QVM / QRIF / QNI 7.5.0 Update Pack 1
QRadar / QRM / QVM / QRIF / QNI 7.4.3 Fix Pack 4 Interim Fix 04
QRadar / QRM / QVM / QRIF / QNI 7.3.3 Fix Pack 10 Interim Fix 02
Workarounds and Mitigations
None
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References
Change History
15 Feb 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
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Document Information
Modified date:
28 February 2022
UID
ibm16560142