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Vahagn Vardanian

Co-founder and CTO of RedRays

CVE-2019-0355Code Injection vulnerability in SAP NetWeaver AS for Java(Web Container), SAP security note 2798336

SAP Note 2798336
SAP Security Note
HotNews

SAP security note 2798336, "[CVE-2019-0355] Code Injection vulnerability in SAP NetWeaver AS for Java (Web Container)", is a program error note released on September 10, 2019. Below are the symptom, SAP recommended solution and the affected software components.

ComponentBC-JAS-WEB
CategoryProgram error
PriorityHotNews
TypeSAP Security Note
Version5
StatusReleased for Customer
Released onSeptember 10, 2019
LanguageEnglish

Description

Symptom

The Application Server Java Web Container allows an attacker to inject code that can be executed by the application. This vulnerability can lead to:

  • Unauthorized execution of commands
  • Sensitive information disclosure
  • Denial of Service

Solution

Content validation has been enhanced to fix the code injection vulnerability. Update your Application Server Java to a Support Package (SP) or release where the issue is resolved. See the Support Packages & Patches section of this SAP Note for details and available patches.

Reason and prerequisites

A program error in the default implementation of the PUT method in HTTP 1.1 allows bypassing input validation checks, resulting in the upload of web dynamic content.

CVSS

Score 9.1 Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References

Affected components

  • ENGINEAPI: 7.10 to 7.11, 7.20, 7.30, 7.31, 7.40, 7.50
  • SAP-JEECOR: 6.40, 7.00, 7.01 to 7.02

Full note on SAP: SAP Support Launchpad note 2798336

Detailed exploitation and proof-of-concept material for this note is maintained in the RedRays Security Platform. For access, contact [email protected].

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