CVE-2009-1252 Memory corruption in n/a
Remote attackers can execute arbitrary code on NTP servers via crafted packets when OpenSSL and autokey are enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2009-1252?
CVE-2009-1252 is a medium-severity memory corruption vulnerability in Ntp Ntp, published on 19 May 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-119
Which versions are affected by CVE-2009-1252?
It affects 1 product.
Products include Ntp Ntp.
How do I fix CVE-2009-1252?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2009-1252 being exploited?
There is no known exploitation of CVE-2009-1252 in the wild and no public exploit code.
Other vulnerabilities in Ntp Ntp
Sources
Also known as DEBIAN-CVE-2009-1252, GHSA-x2p2-g54c-2jqg.