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Recommended Type: Patch

Security Advisory - ntp - CVE-2009-0021

Released: Mar 24, 2009     Updated: Mar 24, 2009

Description

NTP 4.2.4 before 4.2.4p5 and 4.2.5 before 4.2.5p150 does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys, a similar vulnerability to CVE-2008-5077.


Product Version

Linux Platforms 1.x

Downloads


Caveats

N/A


Installation Notes

Installation Notes

WIND00152472.zip is for 1.4
WIND00152474.zip is for 1.5
1. Unzip the patch under [install_dir]/updates
2. Install the patch CD by entering the patch CD directory and run setup_linux.
3. This is a source only patch so you will have to build the kernel
4. Issue a make fs and make the kernel in a configured directory.
5. Upload the kernel and rootfs into the target and boot it up.


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