Bug 2167943 (CVE-2021-21974) - CVE-2021-21974 OpenSLP: heap-overflow
Summary: CVE-2021-21974 OpenSLP: heap-overflow
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-21974
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 2167938
TreeView+ depends on / blocked
 
Reported: 2023-02-07 18:27 UTC by Zack Miele
Modified: 2023-02-10 04:36 UTC (History)
1 user (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2023-02-10 04:36:26 UTC
Embargoed:

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Description Zack Miele 2023-02-07 18:27:20 UTC 
OpenSLP as used in ESXi (7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG) has a heap-overflow vulnerability. A malicious actor residing within the same network segment as ESXi who has access to port 427 may be able to trigger the heap-overflow issue in OpenSLP service resulting in remote code execution.

https://www.vmware.com/security/advisories/VMSA-2021-0002.html
https://www.zerodayinitiative.com/advisories/ZDI-21-250/
http://packetstormsecurity.com/files/162957/VMware-ESXi-OpenSLP-Heap-Overflow.html
Comment 2 Product Security DevOps Team 2023-02-10 04:36:25 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-21974
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