CVE-2021-27622: Input Validation
First published: Wed Jun 09 2021(Updated: )
SAP Internet Graphics Service, versions - 7.20,7.20EXT,7.53,7.20_EX2,7.81, allows an unauthenticated attacker after retrieving an existing system state value can submit a malicious IGS request over a network which due to insufficient input validation in method CDrawRaster::LoadImageFromMemory() which will trigger an internal memory corruption error in the system causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.
Credit: cna@sap.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Sap Netweaver As Internet Graphics Server | =7.20 | |
| Sap Netweaver As Internet Graphics Server | =7.20ex2 | |
| Sap Netweaver As Internet Graphics Server | =7.20ext | |
| Sap Netweaver As Internet Graphics Server | =7.53 | |
| Sap Netweaver As Internet Graphics Server | =7.81 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID is CVE-2021-27622.
What software versions are affected by this vulnerability?
The vulnerability affects SAP Internet Graphics Service versions 7.20, 7.20EXT, 7.53, 7.20_EX2, and 7.81.
How does this vulnerability allow an attacker to exploit the system?
An unauthenticated attacker can submit a malicious IGS request over the network, exploiting insufficient input validation in method CDrawRaster::LoadImageFromMemory().
How severe is this vulnerability?
The severity of CVE-2021-27622 is medium with a CVSS score of 5.9.
Is there a fix available for this vulnerability?
Yes, SAP has released patches and updates to address this vulnerability. Please refer to the SAP notes and documentation for the specific fixes.
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- agent/softwarecombine
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- collector/mitre-cve
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- vendor/sap
- canonical/sap netweaver as internet graphics server
- version/sap netweaver as internet graphics server/7.20
- version/sap netweaver as internet graphics server/7.20ex2
- version/sap netweaver as internet graphics server/7.20ext
- version/sap netweaver as internet graphics server/7.53
- version/sap netweaver as internet graphics server/7.81