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CVE-2008-4609

Published: Oct 20, 2008Updated: Apr 23, 2026 Sources: CVE List NVDCWE-16
7.1HIGH
NVD MITRE
EPSS Score
32.1%
Top 1.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

The TCP implementation in (1) Linux, (2) platforms based on BSD Unix, (3) Microsoft Windows, (4) Cisco products, and probably other operating systems allows remote attackers to cause a denial of service (connection queue exhaustion) via multiple vectors that manipulate information in the TCP state table, as demonstrated by sockstress.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:MAu:NC:NI:NA:C
Exploitability
AV:NAccess Vector
Network
AC:MAccess Complexity
Medium
Au:NAuthentication
None
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:CAvailability
Complete
Open in CVSS calculator →

Weaknesses

CWE-16NVD-CWE-noinfo

Affected Products

cisco
commercial·USaka cisco systems, cisco systems inc.
iosOn-premFirmware
Networking Infrastructure / router-switch
catalyst blade switch 3020 firmware
Networking Infrastructure
catalyst blade switch 3120 firmware
Networking Infrastructure
catalyst blade switch 3120x firmware
Networking Infrastructure
microsoft
commercial·US
windows vistaOS
Operating Systems / windows
windows server 2003OS
Operating Systems / windows
windows server 2008On-premOS
Operating Systems / windows
bsd
oss-project
bsdOn-prem
Operating Systems / unix-bsd
bsdi
oss-project·US
bsd osOn-prem
Operating Systems / unix-bsd
dragonflybsd
oss-project
dragonflybsdOn-prem
Operating Systems / unix-bsd
freebsd
oss-project·US
freebsdOn-premOS
Operating Systems / unix-bsd
and 9 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2008-4609?We can run the check for you — a free external exposure review, no install. Check my exposure

References

http://blog.robertlee.name/2008/10/conjecture-speculation.html
blog.robertlee.name
http://insecure.org/stf/tcp-dos-attack-explained.html
insecure.org
http://lists.immunitysec.com/pipermail/dailydave/2008-October/005360.html
lists.immunitysec.com
and 12 more references View all →

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