54576 : NTP ntpd/ntp_crypto.c crypto_recv() Function Remote Overflow
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Timeline

Disclosure Date
2009-05-18

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2009-1252" target="_blank">CVE</a>)</em> : Stack-based buffer overflow in the crypto_recv function in ntp_crypto.c in ntpd in NTP before 4.2.4p7 and 4.2.5 before 4.2.5p74, when OpenSSL and autokey are enabled, allows remote attackers to execute arbitrary code via a crafted packet containing an extension field.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation, Misconfiguration
Impact: Loss of Integrity
Solution: Workaround, Upgrade
Disclosure: Vendor Verified

Solution

Upgrade to version 4.2.4p7 or higher, as it has been reported to fix this vulnerability. It is also possible to correct the flaw by implementing the following workaround(s): removing the crypto pw passwordline from the ntp.conf file

Products

Unknown or Incomplete

References

Tools & Filters

Snort	15514
	38831

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 6.8
Source: nvd.nist.gov | Generated: 2009-05-20 | Disagree?

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