Description
isakmpd in OpenBSD 3.8, 3.9, and possibly earlier versions, creates Security Associations (SA) with a replay window of size 0 when isakmpd acts as a responder during SA negotiation, which allows remote attackers to replay IPSec packets and bypass the replay protection.
References (9)
Core 9
Core References
Patch vdb-entry
x_refsource_sectrack
http://securitytracker.com/id?1016757
Various Sources vendor-advisory
x_refsource_openbsd
http://www.openbsd.org/errata38.html#isakmpd
Third Party Advisory, VDB Entry vdb-entry
x_refsource_osvdb
http://www.osvdb.org/28194
Third Party Advisory, VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/28645
Patch, Vendor Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/21652
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2006/dsa-1175
Patch vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/19712
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/21905
Various Sources vendor-advisory
x_refsource_openbsd
http://www.openbsd.org/errata.html#isakmpd
Scores
EPSS
0.0067
EPSS Percentile
71.6%
Details
Status
published
Products (2)
openbsd/openbsd
3.8
openbsd/openbsd
3.9
Published
Aug 29, 2006
Tracked Since
Feb 18, 2026