CVE-2022-37980 Windows DHCP Client Elevation of Privilege Vulnerability

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CVE-2022-37980

Technical details about CVE-2022-37980 (affected software, root cause, impact, and fix) are not publicly disclosed in the provided documents. Monitor official sources for updates.

CVE-2022-38026

CVE-2022-38026 is a Windows DHCP Client Information Disclosure vulnerability. Affected component: Windows DHCP Client. Root cause: insufficient protection of sensitive information on the network. Impact: data disclosure (CVE entry lists confidentiality impact as High). Exploitability: Local acces...

[SECURITY] [DLA 3146-1] isc-dhcp security update

----------------------------------------------------------------------- Debian LTS Advisory DLA-3146-1 [email protected] https://www.debian.org/lts/security/ Utkarsh Gupta October 11, 2022 https://wiki.debian.org/LTS -...

Amazon Linux 2 : systemd (ALAS-2022-1854)

The version of systemd installed on the remote host is prior to 219-78. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2022-1854 advisory. It was discovered that pamsystemd does not properly sanitize the environment before using the XDGSEAT variable. It is...

CVE-2022-2929

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 DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory...

CVE-2022-2929

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 DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory...

CVE-2022-2928

In ISC DHCP 4.4.0 - 4.4.3, ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16-P1, when the function optioncodehashlookup is called from addoption, it increases the option's refcount field. However, there is not a corresponding call to optiondereference to decrement the refcount field. The function addoption is on...

CVE-2022-2928

In ISC DHCP 4.4.0 - 4.4.3, ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16-P1, when the function optioncodehashlookup is called from addoption, it increases the option's refcount field. However, there is not a corresponding call to optiondereference to decrement the refcount field. The function addoption is on...

ALPINE-CVE-2022-2928

In ISC DHCP 4.4.0 - 4.4.3, ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16-P1, when the function optioncodehashlookup is called from addoption, it increases the option's refcount field. However, there is not a corresponding call to optiondereference to decrement the refcount field. The function addoption is on...

Design/Logic Flaw

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 DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory...

Code injection

In ISC DHCP 4.4.0 - 4.4.3, ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16-P1, when the function optioncodehashlookup is called from addoption, it increases the option's refcount field. However, there is not a corresponding call to optiondereference to decrement the refcount field. The function addoption is on...

CVE-2022-2929

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 DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory...

CVE-2022-2929

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 DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory...

CVE-2022-2929

CVE-2022-2929 affects ISC DHCP server components in multiple releases (ISC DHCP 1.0–4.4.3 and 4.1-ESV-R1–4.1-ESV-R16-P1). The issue arises when a DHCP server processes packets with fqdn labels longer than 63 bytes, leading to memory exhaustion on the server. Connected documents corroborate the ro...

CVE-2022-2929 DHCP memory leak

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 DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory...

CVE-2022-2928 An option refcount overflow exists in dhcpd

In ISC DHCP 4.4.0 - 4.4.3, ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16-P1, when the function optioncodehashlookup is called from addoption, it increases the option's refcount field. However, there is not a corresponding call to optiondereference to decrement the refcount field. The function addoption is on...

CVE-2022-2928

In ISC DHCP 4.4.0 - 4.4.3, ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16-P1, when the function optioncodehashlookup is called from addoption, it increases the option's refcount field. However, there is not a corresponding call to optiondereference to decrement the refcount field. The function addoption is on...

CVE-2022-2928

CVE-2022-2928 affects ISC DHCP (versions including 4.4.0–4.4.3 and 4.1-ESV-R1–4.1-ESV-R16-P1). Root cause: option_code_hash_lookup() increments an option’s refcount in add_option() without a corresponding option_dereference(), and add_option() is invoked for multiple options in lease query respon...

CVE-2022-2928

In ISC DHCP 4.4.0 - 4.4.3, ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16-P1, when the function optioncodehashlookup is called from addoption, it increases the option's refcount field. However, there is not a corresponding call to optiondereference to decrement the refcount field. The function addoption is on...