CVE-2021-25217

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 the 4.0.x series or lower and releases in the 4.3.x series are beyond their End-of-Life EOL and no longer supported by ISC. From inspection it is clear that the defect is also present in...

ALPINE-CVE-2021-25217

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 the 4.0.x series or lower and releases in the 4.3.x series are beyond their End-of-Life EOL and no longer supported by ISC. From inspection it is clear that the defect is also present in...

CVE-2021-25217

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 the 4.0.x series or lower and releases in the 4.3.x series are beyond their End-of-Life EOL and no longer supported by ISC. From inspection it is clear that the defect is also present in...

CVE-2021-25217

CVE-2021-25217 affects ISC DHCP (DHCP client/server) across multiple branches (notably 4.1-ESV-R16, 4.4.0–4.4.2; other 4.0/4.3 may be affected but untested). The vulnerability is a stack-based buffer overrun in parsing statements with colon-separated hex digits in config or lease files, potential...

CVE-2021-25217

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 the 4.0.x series or lower and releases in the 4.3.x series are beyond their End-of-Life EOL and no longer supported by ISC. From inspection it is clear that the defect is also present in...

PT-2021-3602

Name of the Vulnerable Software and Affected Versions ISC DHCP versions 4.1-ESV-R1 through 4.1-ESV-R16 ISC DHCP versions 4.4.0 through 4.4.2 Description The issue is related to a buffer overflow in the memory when reading a lease, which can cause a denial of service. The outcome of encountering t...

CVE-2021-25217: Improper Restriction of Operations within the Bounds of a Memory Buffer

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 the 4.0.x series or lower and releases in the 4.3.x series are beyond their End-of-Life EOL and no longer supported by ISC. From inspection it is clear that the defect is also present in...

ISC DHCP Buffer Error Vulnerability

ISC DHCP is a suite of open source Dynamic Host Configuration Protocol server software from ISC Corporation. ISC DHCP suffers from a buffer error vulnerability that stems from a program that may cause dhclient to crash when reading an incorrect lease, which could lead to network connectivity issu...

Exploit for Out-of-bounds Write in Freebsd

CVE-2020-7461 PoC for DHCP vulnerability NAME:WRECK in FreeB...

CVE-2020-7461

In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient8 fails to handle certain malformed input related to handling of DHCP option 119 resulting a heap overflow. The heap overflow could in principle ...

CVE-2020-7461

In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient8 fails to handle certain malformed input related to handling of DHCP option 119 resulting a heap overflow. The heap overflow could in principle ...

CVE-2020-7461

In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient8 fails to handle certain malformed input related to handling of DHCP option 119 resulting a heap overflow. The heap overflow could in principle ...

Heap overflow

In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient8 fails to handle certain malformed input related to handling of DHCP option 119 resulting a heap overflow. The heap overflow could in principle ...

CVE-2020-7461

In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient8 fails to handle certain malformed input related to handling of DHCP option 119 resulting a heap overflow. The heap overflow could in principle ...

CVE-2020-7461

In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient8 fails to handle certain malformed input related to handling of DHCP option 119 resulting a heap overflow. The heap overflow could in principle ...

CVE-2020-7461

CVE-2020-7461 affects FreeBSD dhclient: malformed input for DHCP option 119 triggers a heap overflow, potentially enabling remote code execution. Impact is mitigated by Capsicum sandboxing. Affected versions are FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p...

CVE-2020-7461: Out-of-bounds Write

In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient8 fails to handle certain malformed input related to handling of DHCP option 119 resulting a heap overflow. The heap overflow could in principle ...

DEBIAN-CVE-2020-15238

Blueman is a GTK+ Bluetooth Manager. In Blueman before 2.1.4, the DhcpClient method of the D-Bus interface to blueman-mechanism is prone to an argument injection vulnerability. The impact highly depends on the system configuration. If Polkit-1 is disabled and for versions lower than 2.0.6, any...

CVE-2020-15238

Blueman is a GTK+ Bluetooth Manager. In Blueman before 2.1.4, the DhcpClient method of the D-Bus interface to blueman-mechanism is prone to an argument injection vulnerability. The impact highly depends on the system configuration. If Polkit-1 is disabled and for versions lower than 2.0.6, any...

CVE-2020-15238

Blueman is a GTK+ Bluetooth Manager. In Blueman before 2.1.4, the DhcpClient method of the D-Bus interface to blueman-mechanism is prone to an argument injection vulnerability. The impact highly depends on the system configuration. If Polkit-1 is disabled and for versions lower than 2.0.6, any...