MEDIUM 5.8 Microsoft
CVE-2019-25076
The TSS (Tuple Space Search) algorithm in Open vSwitch 2.x through 2.17.2 and 3.0.0 allows remote attackers to cause a denial of service (delays of legitimate traffic) via crafted packet data that requires excessive evaluation time within the packet classification algorithm for the MegaFlow cache aka a Tuple Space Explosion (TSE) attack.
Microsoft Security Update 2022-Sep: The TSS (Tuple Space Search) algorithm in Open vSwitch 2.x through 2.17.2 and 3.0.0 allows remote attackers to cause a denial of service (delays of legitimate traffic) via crafted packet data that requires excessive evaluation time within the packet classification algorithm for the MegaFlow cache aka a Tuple Space Explosion (TSE) attack.
Affected Products
- cm1 openvswitch 2.15.7-1 on CBL Mariner 1.0
- cbl2 openvswitch 2.17.5-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-25076
- https://nvd.nist.gov/vuln/detail/CVE-2019-25076
This medium severity vulnerability with a CVSS score of 5.8 was published on 2022-09-13 via Microsoft. Affected: cm1 openvswitch 2.15.7-1 on CBL Mariner 1.0, cbl2 openvswitch 2.17.5-1 on CBL Mariner 2.0.
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