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…

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.

Scores

EPSS (exploitation in 30 days)

21.3% · top 2.4% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.

Weakness

• n/a
• CWE-119 (opens in a new tab)All about CWE-119 and its CVEs

Affected products

• n/a

  • affected n/a

References (38)

• USN-777-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 35137 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 35166 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 37470 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 35388 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 35243 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 37471 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• DSA-1801 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• FEDORA-2009-5275 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• 35308 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 35253 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• https://support.ntp.org/bugs/show_bug.cgi?id=1151 (opens in a new tab)x_refsource_CONFIRMx_transferred
• MDVSA-2009:117 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• http://www.vmware.com/security/advisories/VMSA-2009-0016.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0092 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 1022243 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• 35138 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SSA:2009-154-01 (opens in a new tab)vendor-advisoryx_refsource_SLACKWAREx_transferred
• FEDORA-2009-5273 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• SUSE-SR:2009:011 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• FEDORA-2009-5674 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• 35630 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• https://launchpad.net/bugs/cve/2009-1252 (opens in a new tab)x_refsource_MISCx_transferred
• oval:org.mitre.oval:def:11231 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=499694 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 35017 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• RHSA-2009:1040 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• FreeBSD-SA-09:11 (opens in a new tab)vendor-advisoryx_refsource_FREEBSDx_transferred
• 35416 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• VU#853097 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
• 35336 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• RHSA-2009:1039 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• ADV-2009-1361 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• oval:org.mitre.oval:def:6307 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• 35169 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• GLSA-200905-08 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• ADV-2009-3316 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2009-1252](https://trackcve.app/badge/CVE-2009-1252.svg)](https://trackcve.app/cve/CVE-2009-1252)

Record last updated 7 Aug 2024, 05:04 UTC.