CVE-2013-5209

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-08-29 · updated 2026-06-16
Weakness: CWE-200

Description

The sctp_send_initiate_ack function in sys/netinet/sctp_output.c in the SCTP implementation in the kernel in FreeBSD 8.3 through 9.2-PRERELEASE does not properly initialize the state-cookie data structure, which allows remote attackers to obtain sensitive information from kernel stack memory by reading packet data in INIT-ACK chunks.

Affected products

FreeBSD: 8.3, 9.0, 9.1, 9.1-p4, 9.1-p5, 9.2-prerelease

References

http://svnweb.freebsd.org/base?view=revision&revision=254338
http://www.freebsd.org/security/advisories/FreeBSD-SA-13:10.sctp.asc
http://www.securityfocus.com/bid/61939
http://www.securitytracker.com/id/1028940
https://bugzilla.mozilla.org/show_bug.cgi?id=905080
http://svnweb.freebsd.org/base?view=revision&revision=254338
http://www.freebsd.org/security/advisories/FreeBSD-SA-13:10.sctp.asc
http://www.securityfocus.com/bid/61939
http://www.securitytracker.com/id/1028940
https://bugzilla.mozilla.org/show_bug.cgi?id=905080

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