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SAP Releases 7 New Notes on October 2023 Patch Day

SAP has released seven new notes as part of its October 2023 Security Patch Day, all rated ‘medium severity’.

German software maker SAP this week announced the release of seven new and two updated security notes as part of its October 2023 Security Patch Day.

The most severe of the security notes brings an update to the Chromium browser in SAP Business Client, which contains 37 fixes, including two critical- and 20 high-severity vulnerabilities.

One of these critical flaws, enterprise application security firm Onapsis notes, is CVE-2023-4863 an already exploited bug in the libwebp image rendering library, which vendors have been scrambling to patch lately.

Since libwebp is used in multiple applications other than web browsers, organizations are advised to check all their software for the presence of this vulnerability and apply available patches accordingly.

The update also addresses CVE-2023-5217, another exploited vulnerability that Google rolled out patches for in September and which CISA added to its Known Exploited Vulnerabilities catalog recently.

The second updated security note that SAP released this week addresses a log injection flaw in NetWeaver. Tracked as CVE-2023-31405 (CVSS score of 5.3), the vulnerability was initially patched in July 2023.

“Unlike many other updates, the updated note does not completely replace the initial patch. Customers need to implement both notes to be fully protected. While the initial note contains patches for all three affected software components (ENGINEAPI, SERVERCORE, and J2EE-APPS), [the update] only updates the ENGINEAPI component since the patch for this component was incomplete,” Onapsis explains.

The remaining seven security notes described in SAP’s latest advisory deal with medium-severity bugs only, making this one of “the calmest Patch Days of the last 5 years,” as Onapsis points out.

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The notes address issues such as cross-site scripting (XSS), missing XML validation, server-side request forgery (SSRF), missing authorization check, log injection, and information disclosure bugs impacting BusinessObjects, PowerDesigner Client, NetWeaver, S/4HANA, Business One, and Statutory Reporting.

Related: SAP Patches Critical Vulnerability Impacting NetWeaver, S/4HANA

Reated: SAP Patches Critical Vulnerability in PowerDesigner Product

Reated: SAP Patches Critical Vulnerability in ECC and S/4HANA Products

Written By

Ionut Arghire is an international correspondent for SecurityWeek.

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