high
7.5
CWE
400
Advisory Published
CVE Published
Updated

CVE-2017-3144: Failure to properly clean up closed OMAPI connections can exhaust available sockets

First published: Wed Dec 06 2017(Updated: )

A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available to the DHCP server. Affects ISC DHCP 4.1.0 to 4.1-ESV-R15, 4.2.0 to 4.2.8, 4.3.0 to 4.3.6. Older versions may also be affected but are well beyond their end-of-life (EOL). Releases prior to 4.1.0 have not been tested.

Credit: security-officer@isc.org

Affected SoftwareAffected VersionHow to fix
debian/isc-dhcp<=4.2.2.dfsg.1-5+deb70u8<=4.3.1-6
4.3.5-3.1
4.3.5-3+deb9u1
4.3.1-6+deb8u3
debian/isc-dhcp
4.4.1-2.3+deb11u2
4.4.1-2.3+deb11u1
4.4.3-P1-2
4.4.3-P1-5
ISC DHCP>=4.2.0<=4.2.8
ISC DHCP>=4.3.0<=4.3.6
ISC DHCP=4.1-esv
ISC DHCP=4.1-esv-r1
ISC DHCP=4.1-esv-r10
ISC DHCP=4.1-esv-r10_b1
ISC DHCP=4.1-esv-r10_rc1
ISC DHCP=4.1-esv-r11
ISC DHCP=4.1-esv-r11_b1
ISC DHCP=4.1-esv-r11_rc1
ISC DHCP=4.1-esv-r11_rc2
ISC DHCP=4.1-esv-r12
ISC DHCP=4.1-esv-r12_b1
ISC DHCP=4.1-esv-r12_p1
ISC DHCP=4.1-esv-r13
ISC DHCP=4.1-esv-r13_b1
ISC DHCP=4.1-esv-r14
ISC DHCP=4.1-esv-r14_b1
ISC DHCP=4.1-esv-r15
ISC DHCP=4.1-esv-r2
ISC DHCP=4.1-esv-r3
ISC DHCP=4.1-esv-r3_b1
ISC DHCP=4.1-esv-r4
ISC DHCP=4.1-esv-r5
ISC DHCP=4.1-esv-r5_b1
ISC DHCP=4.1-esv-r5_rc1
ISC DHCP=4.1-esv-r5_rc2
ISC DHCP=4.1-esv-r6
ISC DHCP=4.1-esv-r7
ISC DHCP=4.1-esv-r8
ISC DHCP=4.1-esv-r8_b1
ISC DHCP=4.1-esv-r8_rc1
ISC DHCP=4.1-esv-r9
ISC DHCP=4.1-esv-r9_b1
ISC DHCP=4.1-esv-r9_rc1
ISC DHCP=4.1.0
Red Hat Enterprise Linux Desktop=7.0
Red Hat Enterprise Linux Server=7.0
Red Hat Enterprise Linux Server=7.4
Red Hat Enterprise Linux Server=7.6
Red Hat Enterprise Linux Server=7.4
Red Hat Enterprise Linux Server=7.5
Red Hat Enterprise Linux Server=7.6
Red Hat Enterprise Linux Server=7.4
Red Hat Enterprise Linux Server=7.6
Red Hat Enterprise Linux Workstation=7.0
Ubuntu=14.04
Ubuntu=16.04
Ubuntu=17.10
Debian Linux=8.0
Debian Linux=9.0

Remedy

https://source.isc.org/cgi-bin/gitweb.cgi?p=dhcp.git;a=commit;h=1a6b62fe17a42b00fa234d06b6dfde3d03451894

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2017-3144?

    CVE-2017-3144 is classified as a medium severity vulnerability due to its potential to exhaust socket descriptors.

  • How do I fix CVE-2017-3144?

    To mitigate CVE-2017-3144, upgrade ISC DHCP to version 4.4 or later or apply vendor patches as specified.

  • What systems are affected by CVE-2017-3144?

    CVE-2017-3144 affects ISC DHCP versions 4.1.0 to 4.1-ESV-R15, 4.2.0 to 4.2.8, and 4.3.0 to 4.3.6.

  • What causes CVE-2017-3144?

    CVE-2017-3144 is caused by the failure to properly clean up closed OMAPI connections, leading to resource exhaustion.

  • Can older versions of ISC DHCP be impacted by CVE-2017-3144?

    Yes, older versions of ISC DHCP may also be vulnerable to CVE-2017-3144, although they are not explicitly listed.

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