CVE - CVE-2019-8460

CVE-ID
CVE-2019-8460	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
OpenBSD kernel version <= 6.5 can be forced to create long chains of TCP SACK holes that causes very expensive calls to tcp_sack_option() for every incoming SACK packet which can lead to a denial of service.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
CONFIRM:https://security.netapp.com/advisory/ntap-20190905-0001/ MISC:https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/006_tcpsack.patch.sig MISC:https://github.com/openbsd/src/commit/ed8fdce754a5d8d14c09e989d8877707bd43906f MISC:https://research.checkpoint.com/tcp-sack-security-issue-in-openbsd-cve-2019-8460/ MISC:https://us-cert.cisa.gov/ics/advisories/icsa-19-253-03 URL:https://us-cert.cisa.gov/ics/advisories/icsa-19-253-03
Assigning CNA
Check Point Software Technologies Ltd.
Date Record Created
20190218	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20190218)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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