CVE Vulnerabilities

CVE-2022-22533

Use After Free

Published: Feb 09, 2022 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

Due to improper error handling in SAP NetWeaver Application Server Java - versions KRNL64NUC 7.22, 7.22EXT, 7.49, KRNL64UC, 7.22, 7.22EXT, 7.49, 7.53, KERNEL 7.22, 7.49, 7.53, an attacker could submit multiple HTTP server requests resulting in errors, such that it consumes the memory buffer. This could result in system shutdown rendering the system unavailable.

Weakness

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory “belongs” to the code that operates on the new pointer.

Affected Software

Name Vendor Start Version End Version
Netweaver_application_server_java Sap 7.22 (including) 7.22 (including)
Netweaver_application_server_java Sap 7.49 (including) 7.49 (including)
Netweaver_application_server_java Sap 7.53 (including) 7.53 (including)
Netweaver_application_server_java Sap krnl64nuc_7.22 (including) krnl64nuc_7.22 (including)
Netweaver_application_server_java Sap krnl64nuc_7.22ext (including) krnl64nuc_7.22ext (including)
Netweaver_application_server_java Sap krnl64nuc_7.49 (including) krnl64nuc_7.49 (including)
Netweaver_application_server_java Sap krnl64uc_7.22 (including) krnl64uc_7.22 (including)
Netweaver_application_server_java Sap krnl64uc_7.22ext (including) krnl64uc_7.22ext (including)
Netweaver_application_server_java Sap krnl64uc_7.49 (including) krnl64uc_7.49 (including)

Potential Mitigations

References