CVE-2017-3144
published 2019-01-16CVE-2017-3144: 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…
PriorityP260high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
72.72%
99.4th percentile
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.
Affected
21 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | isc-dhcp | < isc-dhcp 4.3.5-3.1 (bookworm) | isc-dhcp 4.3.5-3.1 (bookworm) |
| isc | dhcp | — | — |
| isc | dhcp | — | — |
| isc | dhcp | 4.2.0 – 4.2.8 | — |
| isc | dhcp | 4.3.0 – 4.3.6 | — |
| isc | isc_dhcp | — | — |
| redhat | enterprise_linux_desktop | — | — |
| redhat | enterprise_linux_server | — | — |
| redhat | enterprise_linux_server_aus | — | — |
| redhat | enterprise_linux_server_aus | — | — |
| redhat | enterprise_linux_server_eus | — | — |
| redhat | enterprise_linux_server_eus | — | — |
| redhat | enterprise_linux_server_eus | — | — |
| redhat | enterprise_linux_server_tus | — | — |
| redhat | enterprise_linux_server_tus | — | — |
| redhat | enterprise_linux_workstation | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →A remote attacker able to connect to the OMAPI port could use this flaw to exhaust file descriptors in the DHCP daemon, leading to a denial of service in the OMAPI functionality. Monitor for abnormal numbers of open/unclosed TCP connections to the OMAPI port on the DHCP server. ↗
- →The vulnerability is triggered by sending an empty message over an OMAPI connection; monitor OMAPI traffic for zero-length or malformed messages that do not result in proper connection teardown. ↗
- →Affected versions are ISC DHCP 4.1.0 to 4.1-ESV-R15, 4.2.0 to 4.2.8, 4.3.0 to 4.3.6; flag unpatched DHCP server instances in this version range as vulnerable targets. ↗
- ·The upstream fix is available as a specific commit in the ISC DHCP git repository; patch status can be verified by checking for this commit. ↗
- ·Red Hat Enterprise Linux 5 and 6 packages are not affected; only RHEL 7 required patching via RHSA-2018:0158. ↗
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv3.05.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_debian7.5HIGH
vendor_redhat7.5HIGH
vendor_ubuntu5.9MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-4wqw-h6w8-f8qg: A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available
ghsa_unreviewed·2022-05-13
CVE-2017-3144 [HIGH] CWE-400 GHSA-4wqw-h6w8-f8qg: A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available
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.
OSV
CVE-2017-3144: A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available
osv·2019-01-16·CVSS 7.5
CVE-2017-3144 [HIGH] CVE-2017-3144: A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available
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.
OSV
isc-dhcp vulnerabilities
osv·2018-03-01·CVSS 5.9
CVE-2016-2774 [MEDIUM] isc-dhcp vulnerabilities
isc-dhcp vulnerabilities
Konstantin Orekhov discovered that the DHCP server incorrectly handled a
large number of concurrent TCP sessions. A remote attacker could possibly
use this issue to cause a denial of service. This issue only affected
Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-2774)
It was discovered that the DHCP server incorrectly handled socket
descriptors. A remote attacker could possibly use this issue to cause a
denial of service. (CVE-2017-3144)
Felix Wilhelm discovered that the DHCP client incorrectly handled certain
malformed responses. A remote attacker could use this issue to cause the
DHCP client to crash, resulting in a denial of service, or possibly execute
arbitrary code. In the default installation, attackers would be isolated by
the dhclient AppArmor profil
Ubuntu
DHCP vulnerabilities
vendor_ubuntu·2018-03-01·CVSS 5.9
CVE-2016-2774 [MEDIUM] DHCP vulnerabilities
Title: DHCP vulnerabilities
Summary: Several security issues were fixed in DHCP.
Konstantin Orekhov discovered that the DHCP server incorrectly handled a
large number of concurrent TCP sessions. A remote attacker could possibly
use this issue to cause a denial of service. This issue only affected
Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-2774)
It was discovered that the DHCP server incorrectly handled socket
descriptors. A remote attacker could possibly use this issue to cause a
denial of service. (CVE-2017-3144)
Felix Wilhelm discovered that the DHCP client incorrectly handled certain
malformed responses. A remote attacker could use this issue to cause the
DHCP client to crash, resulting in a denial of service, or possibly execute
arbitrary code. In the default installation, at
Red Hat
dhcp: omapi code doesn't free socket descriptors when empty message is received allowing denial-of-service
vendor_redhat·2017-12-07·CVSS 7.5
CVE-2017-3144 [HIGH] CWE-772 dhcp: omapi code doesn't free socket descriptors when empty message is received allowing denial-of-service
dhcp: omapi code doesn't free socket descriptors when empty message is received allowing denial-of-service
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.
It was found that the DHCP daemon did not properly clean up closed OMAPI connections in certain cases. A remote attacker able to connect to the OMAPI port could use this flaw to exhaust file descriptors in the DHCP daemon, leading to a denial of service in the OMAPI functionality.
Package: dhcp (Red Hat Enterprise Linux
Debian
CVE-2017-3144: isc-dhcp - A vulnerability stemming from failure to properly clean up closed OMAPI connecti...
vendor_debian·2017·CVSS 7.5
CVE-2017-3144 [HIGH] CVE-2017-3144: isc-dhcp - A vulnerability stemming from failure to properly clean up closed OMAPI connecti...
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.
Scope: local
bookworm: resolved (fixed in 4.3.5-3.1)
bullseye: resolved (fixed in 4.3.5-3.1)
sid: resolved (fixed in 4.3.5-3.1)
trixie: resolved (fixed in 4.3.5-3.1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2017-3144 dhcp: omapi code doesn't free socket descriptors when empty message is received allowing denial-of-service [fedora-all]
bugzilla·2017-12-08·CVSS 7.5
CVE-2017-3144 [HIGH] CVE-2017-3144 dhcp: omapi code doesn't free socket descriptors when empty message is received allowing denial-of-service [fedora-all]
CVE-2017-3144 dhcp: omapi code doesn't free socket descriptors when empty message is received allowing denial-of-service [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit messag
Bugzilla
CVE-2017-3144 dhcp: omapi code doesn't free socket descriptors when empty message is received allowing denial-of-service
bugzilla·2017-12-06·CVSS 7.5
CVE-2017-3144 [HIGH] CVE-2017-3144 dhcp: omapi code doesn't free socket descriptors when empty message is received allowing denial-of-service
CVE-2017-3144 dhcp: omapi code doesn't free socket descriptors when empty message is received allowing denial-of-service
It was found that omapi code doesn't free socket descriptor if empty message was sent by client, which allows malicious client to use up all available descriptors causing Denial of Service.
Upstream patch:
https://source.isc.org/cgi-bin/gitweb.cgi?p=dhcp.git;a=commit;h=1a6b62fe17a
Discussion:
Created dhcp tracking bugs for this issue:
Affects: fedora-all [bug 1523547]
---
External References:
https://kb.isc.org/article/AA-01541
---
This issue has been addressed in the following products:
Red Hat Enterprise Linux 7
Via RHSA-2018:0158 https://access.redhat.com/errata/RHSA-2018:0158
http://www.securityfocus.com/bid/102726http://www.securitytracker.com/id/1040194https://access.redhat.com/errata/RHSA-2018:0158https://kb.isc.org/docs/aa-01541https://usn.ubuntu.com/3586-1/https://www.debian.org/security/2018/dsa-4133http://www.securityfocus.com/bid/102726http://www.securitytracker.com/id/1040194https://access.redhat.com/errata/RHSA-2018:0158https://kb.isc.org/docs/aa-01541https://usn.ubuntu.com/3586-1/https://www.debian.org/security/2018/dsa-4133
2019-01-16
Published