SAP HANA Database update for CommonCryptoLib

Published: 2023-09-22

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-40308 CVE-2023-40309
CWE-ID	CWE-119 CWE-287
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	SAP HANA Server applications / Database software
Vendor	SAP

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU80691

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-40308

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in SAP CommonCryptoLib. A remote non-authenticated attacker can send specially crafted input to the application that uses the affected library, trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

SAP HANA: 2.00

External links

http://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html?september2023

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper Authentication

EUVDB-ID: #VU80681

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-40309

CWE-ID: CWE-287 - Improper Authentication