CVE-2009-1252
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 21.3%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 21.29% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- ntp/ntp
- Source
- cve@mitre.org
EPSS 21.3% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-006.txt.asc
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html
- http://rhn.redhat.com/errata/RHSA-2009-1039.htmlPatch
- http://rhn.redhat.com/errata/RHSA-2009-1040.htmlPatch
- http://secunia.com/advisories/35137
- http://secunia.com/advisories/35138
- http://secunia.com/advisories/35166
- http://secunia.com/advisories/35169
- http://secunia.com/advisories/35243
- http://secunia.com/advisories/35253
- http://secunia.com/advisories/35308
- http://secunia.com/advisories/35336
- http://secunia.com/advisories/35388
- http://secunia.com/advisories/35416
- http://secunia.com/advisories/35630
- http://secunia.com/advisories/37470
- http://secunia.com/advisories/37471
- http://security.freebsd.org/advisories/FreeBSD-SA-09:11.ntpd.asc
- http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.566238
- http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0092
- http://www.debian.org/security/2009/dsa-1801
- http://www.gentoo.org/security/en/glsa/glsa-200905-08.xml
- http://www.kb.cert.org/vuls/id/853097US Government Resource
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:117
- http://www.securityfocus.com/archive/1/507985/100/0/threaded
- http://www.securityfocus.com/bid/35017
- http://www.securitytracker.com/id?1022243
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- http://www.vupen.com/english/advisories/2009/1361
- http://www.vupen.com/english/advisories/2009/3316
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.