cve-2019-8460
Vulnerability from cvelistv5
Published
2019-08-26 19:18
Modified
2024-08-04 21:17
Severity
Summary
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
SourceURLTags
cve@checkpoint.comhttps://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/006_tcpsack.patch.sigExploit, Vendor Advisory
cve@checkpoint.comhttps://github.com/openbsd/src/commit/ed8fdce754a5d8d14c09e989d8877707bd43906fPatch, Third Party Advisory
cve@checkpoint.comhttps://research.checkpoint.com/tcp-sack-security-issue-in-openbsd-cve-2019-8460/Exploit, Patch, Press/Media Coverage, Third Party Advisory
cve@checkpoint.comhttps://security.netapp.com/advisory/ntap-20190905-0001/Third Party Advisory
cve@checkpoint.comhttps://us-cert.cisa.gov/ics/advisories/icsa-19-253-03
Impacted products
VendorProduct
n/aOpenBSD
Show details on NVD website

To clipboard 

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