CVE Feed

    Dashboard / CVE / CVE-2009-0692

    CVE-2009-0692

    Stack-based buffer overflow in the script_write_params method in client/dhclient.c in ISC DHCP dhclient 4.1 before 4.1.0p1, 4.0 before 4.0.1p1, 3.1 before 3.1.2p1, 3.0, and 2.0 allows remote DHCP servers to execute arbitrary code via a crafted subnet-mask option.

    Published:Jul 14, 2009
    Last Modified:Apr 23, 2026
    EPS:Jul 14, 2009
    EPSS Score:0.28133
    CVSS Score:10

    Affected Products

    Vendor
    Isc
    Product
    Dhcp
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Eus

    Exploits

    https://www.exploit-db.com/exploits/9265

    Related CVEs

    CVE-2022-2928 (CVSS 6.5) — In ISC DHCP 4.4.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1, when the function option_code_hash_lookup()…
    CVE-2022-2929 (CVSS 6.5) — In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending…
    CVE-2021-25217 (CVSS 7.4) — In ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16, ISC DHCP 4.4.0 -> 4.4.2 (Other branches of ISC DHCP (i.e., releases in …
    CVE-2018-5733 (CVSS 7.5) — A malicious client which is allowed to send very large amounts of traffic (billions of packets) to a DHCP serv…
    CVE-2018-5732 (CVSS 7.5) — Failure to properly bounds-check a buffer used for processing DHCP options allows a malicious server (or an en…
    CVE-2017-3144 (CVSS 7.5) — A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of …
    CVE-2016-2774 (CVSS 5.9) — ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent …
    CVE-2015-8605 (CVSS 6.5) — ISC DHCP 4.x before 4.1-ESV-R12-P1, 4.2.x, and 4.3.x before 4.3.3-P1 allows remote attackers to cause a denial…
    CVE-2013-2494 (CVSS 4.9) — libdns in ISC DHCP 4.2.x before 4.2.5-P1 allows remote name servers to cause a denial of service (memory consu…
    CVE-2012-3955 (CVSS 7.1) — ISC DHCP 4.1.x before 4.1-ESV-R7 and 4.2.x before 4.2.4-P2 allows remote attackers to cause a denial of servic…

    References

    http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-010.txt.asc
    http://itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02286083
    http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00003.html
    http://secunia.com/advisories/35785
    http://secunia.com/advisories/35829
    http://secunia.com/advisories/35830
    http://secunia.com/advisories/35831
    http://secunia.com/advisories/35832
    http://secunia.com/advisories/35841
    http://secunia.com/advisories/35849
    http://secunia.com/advisories/35850
    http://secunia.com/advisories/35851
    http://secunia.com/advisories/35880
    http://secunia.com/advisories/36457
    http://secunia.com/advisories/37342
    http://secunia.com/advisories/40551
    http://security.gentoo.org/glsa/glsa-200907-12.xml
    http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.561471
    http://www.debian.org/security/2009/dsa-1833
    http://www.kb.cert.org/vuls/id/410676
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:151
    http://www.osvdb.org/55819
    http://www.redhat.com/support/errata/RHSA-2009-1136.html
    http://www.redhat.com/support/errata/RHSA-2009-1154.html
    http://www.securityfocus.com/bid/35668
    http://www.securitytracker.com/id?1022548
    http://www.ubuntu.com/usn/usn-803-1
    http://www.vupen.com/english/advisories/2009/1891
    http://www.vupen.com/english/advisories/2010/1796
    https://bugzilla.redhat.com/show_bug.cgi?id=507717
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10758
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5941
    https://www.isc.org/downloadables/12
    https://www.isc.org/node/468
    https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01177.html
    https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00340.html
    http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-010.txt.asc
    http://itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02286083
    http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00003.html
    http://secunia.com/advisories/35785
    http://secunia.com/advisories/35829
    http://secunia.com/advisories/35830
    http://secunia.com/advisories/35831
    http://secunia.com/advisories/35832
    http://secunia.com/advisories/35841
    http://secunia.com/advisories/35849
    http://secunia.com/advisories/35850
    http://secunia.com/advisories/35851
    http://secunia.com/advisories/35880
    http://secunia.com/advisories/36457
    http://secunia.com/advisories/37342
    http://secunia.com/advisories/40551
    http://security.gentoo.org/glsa/glsa-200907-12.xml
    http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.561471
    http://www.debian.org/security/2009/dsa-1833
    http://www.kb.cert.org/vuls/id/410676
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:151
    http://www.osvdb.org/55819
    http://www.redhat.com/support/errata/RHSA-2009-1136.html
    http://www.redhat.com/support/errata/RHSA-2009-1154.html
    http://www.securityfocus.com/bid/35668
    http://www.securitytracker.com/id?1022548
    http://www.ubuntu.com/usn/usn-803-1
    http://www.vupen.com/english/advisories/2009/1891
    http://www.vupen.com/english/advisories/2010/1796
    https://bugzilla.redhat.com/show_bug.cgi?id=507717
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10758
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5941
    https://www.isc.org/downloadables/12
    https://www.isc.org/node/468
    https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01177.html
    https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00340.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High