CWE
200
Advisory Published
Updated

CVE-2009-0628: Infoleak

First published: Fri Mar 27 2009(Updated: )

Memory leak in the SSLVPN feature in Cisco IOS 12.3 through 12.4 allows remote attackers to cause a denial of service (memory consumption and device crash) by disconnecting an SSL session in an abnormal manner, leading to a Transmission Control Block (TCB) leak.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco IOS=12.3
Cisco IOS=12.3-b
Cisco IOS=12.3-bc
Cisco IOS=12.3-bw
Cisco IOS=12.3-eu
Cisco IOS=12.3-ja
Cisco IOS=12.3-jea
Cisco IOS=12.3-jeb
Cisco IOS=12.3-jec
Cisco IOS=12.3-jk
Cisco IOS=12.3-jl
Cisco IOS=12.3-jx
Cisco IOS=12.3-t
Cisco IOS=12.3-tpc
Cisco IOS=12.3-va
Cisco IOS=12.3-xa
Cisco IOS=12.3-xb
Cisco IOS=12.3-xc
Cisco IOS=12.3-xd
Cisco IOS=12.3-xe
Cisco IOS=12.3-xf
Cisco IOS=12.3-xg
Cisco IOS=12.3-xh
Cisco IOS=12.3-xi
Cisco IOS=12.3-xj
Cisco IOS=12.3-xk
Cisco IOS=12.3-xq
Cisco IOS=12.3-xr
Cisco IOS=12.3-xs
Cisco IOS=12.3-xu
Cisco IOS=12.3-xw
Cisco IOS=12.3-xy
Cisco IOS=12.3-ya
Cisco IOS=12.3-yd
Cisco IOS=12.3-yf
Cisco IOS=12.3-yg
Cisco IOS=12.3-yh
Cisco IOS=12.3-yi
Cisco IOS=12.3-yj
Cisco IOS=12.3-yk
Cisco IOS=12.3-ym
Cisco IOS=12.3-yq
Cisco IOS=12.3-ys
Cisco IOS=12.3-yt
Cisco IOS=12.3-yu
Cisco IOS=12.3-yx
Cisco IOS=12.3-yz
Cisco IOS=12.4
Cisco IOS=12.4-ja
Cisco IOS=12.4-jk
Cisco IOS=12.4-jma
Cisco IOS=12.4-jmb
Cisco IOS=12.4-jmc
Cisco IOS=12.4-jx
Cisco IOS=12.4-md
Cisco IOS=12.4-mr
Cisco IOS=12.4-sw
Cisco IOS=12.4-t
Cisco IOS=12.4-xa
Cisco IOS=12.4-xb
Cisco IOS=12.4-xc
Cisco IOS=12.4-xd
Cisco IOS=12.4-xe
Cisco IOS=12.4-xf
Cisco IOS=12.4-xg
Cisco IOS=12.4-xj
Cisco IOS=12.4-xk

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Frequently Asked Questions

  • What is the severity of CVE-2009-0628?

    CVE-2009-0628 has been classified as a denial of service vulnerability which can lead to device crashes.

  • How do I fix CVE-2009-0628?

    To mitigate CVE-2009-0628, upgrade to a version of Cisco IOS that addresses this memory leak, specifically versions beyond 12.4.

  • What are the affected Cisco IOS versions for CVE-2009-0628?

    CVE-2009-0628 affects Cisco IOS versions 12.3 through 12.4, including various specific builds and releases.

  • How does CVE-2009-0628 exploit the SSLVPN feature?

    CVE-2009-0628 exploits the SSLVPN feature by causing a memory leak when an SSL session is terminated abnormally.

  • Can CVE-2009-0628 be remotely exploited?

    Yes, CVE-2009-0628 can be remotely exploited by an attacker who disconnects an SSL session incorrectly.

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