SB2023092234 - SAP NetWeaver AS ABAP and JAVA update for CommonCryptoLib

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Main Vulnerability Database SB2023092234

SB2023092234 - SAP NetWeaver AS ABAP and JAVA update for CommonCryptoLib

Published: September 22, 2023

Security Bulletin ID SB2023092234
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2023-40308)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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.


2) Improper Authentication (CVE-ID: CVE-2023-40309)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in SAP CommonCryptoLib. A remote attacker can bypass authentication process and gain unauthorized access to the application.


Remediation

Install update from vendor's website.

References