freeradius: Memory leak in decode_tlv()

A memory leak flaw was found in the way FreeRADIUS server handles decoding of DHCP packets. A remote attacker could use this flaw to cause the FreeRADIUS server to consume an increasing amount of memory resources over time possibly leading to a crash due to memory exhaustion...

freeradius: Memory leak in fr_dhcp_decode()

A memory leak flaw was found in the way FreeRADIUS server handles decoding of DHCP packets. A remote attacker could use this flaw to cause the FreeRADIUS server to consume an increasing amount of memory resources over time, possibly leading to a crash due to memory exhaustion, by sending speciall...

freeradius: Out-of-bounds read in fr_dhcp_decode() when decoding option 63

An out-of-bounds read flaw was found in the way FreeRADIUS server handled decoding of DHCP packets. A remote attacker could use this flaw to crash the FreeRADIUS server by sending a specially crafted DHCP request...

freeradius: Out-of-bounds read in fr_dhcp_decode_options()

An out-of-bounds read flaw was found in the way FreeRADIUS server handles decoding of DHCP packets. A remote attacker could use this flaw to crash the FreeRADIUS server by sending a specially crafted DHCP request...

DEBIAN-CVE-2017-10982

An FR-GV-205 issue in FreeRADIUS 2.x before 2.2.10 allows "DHCP - Buffer over-read in frdhcpdecodeoptions" and a denial of service...

DEBIAN-CVE-2017-10986

An FR-GV-303 issue in FreeRADIUS 3.x before 3.0.15 allows "DHCP - Infinite read in dhcpattr2vp" and a denial of service...

UBUNTU-CVE-2017-10982

An FR-GV-205 issue in FreeRADIUS 2.x before 2.2.10 allows "DHCP - Buffer over-read in frdhcpdecodeoptions" and a denial of service...

NetworkRecon: PowerShell to Identify Network Vulnerabilities!

PenTestIT RSS Feed As PowerShell becomes more prevalent in the Windows environment, so will it's use for vulnerability assessment and penetration tests. I have covered a few of them earlier such as PowerSploit, PSAttack. However none of the ones I mentioned help you detect network vulnerabilities...

[SECURITY] Fedora 26 Update: dhcp-4.3.5-7.fc26

DHCP Dynamic Host Configuration Protocol...

Junos jdhcpd DoS

The vulnerability of the Junos operating system’s jdhcpd component is related to improper data processing. Exploiting this vulnerability can allow a remote attacker to cause the application to stop working and restart, as well as trigger a service failure using a specially crafted DHCPv6 packet...

Wireshark DHCP Parser Buffer Overflow Vulnerability

Wireshark formerly known as Ethereal is a network packet analyzer software developed by the Wireshark team. The function of the software is to intercept network packets and display detailed data for analysis. A buffer overflow vulnerability exists in the Wireshark DHCP parser due to a failure to...

ALPINE-CVE-2017-9351

In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the DHCP dissector could read past the end of a buffer. This was addressed in epan/dissectors/packet-bootp.c by extracting the Vendor Class Identifier more carefully...

Cisco IOS DHCP Service Reboot DoS

The vulnerability of the DHCP service in Cisco IOS operating systems is related to the use of an uncontrolled format string. Exploiting this vulnerability can allow a malicious actor to trigger a device reboot and a service failure through a specially crafted DHCP packet...

Cisco IOS DHCP DoS

The vulnerability of the Cisco IOS operating system’s DHCP client implementation is related to resource management errors. Exploiting this vulnerability can allow a malicious actor to cause service failures or trigger a device restart using specially crafted DHCP packets...

bash: Arbitrary code execution via malicious hostname

An arbitrary command injection flaw was found in the way bash processed the hostname value. A malicious DHCP server could use this flaw to execute arbitrary commands on the DHCP client machines running bash under specific circumstances...

DEBIAN-CVE-2017-5597

In Wireshark 2.2.0 to 2.2.3 and 2.0.0 to 2.0.9, the DHCPv6 dissector could go into a large loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-dhcpv6.c by changing a data type to avoid an integer overflow...

ALPINE-CVE-2017-5597

In Wireshark 2.2.0 to 2.2.3 and 2.0.0 to 2.0.9, the DHCPv6 dissector could go into a large loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-dhcpv6.c by changing a data type to avoid an integer overflow...

Dual DHCP DNS Server Denial of Service Vulnerability

Dual DHCP DNS Server is a LAN software that provides both DHCP and DNS servers. A denial of service vulnerability exists in Dual DHCP DNS Server version 7.29, which can be exploited by attackers to cause a denial of service program crash...

Denial of Service Vulnerability in Multiple Huawei Firewall Devices

The Huawei USG9580, 9560 and 9520 are all USG9500 series firewall appliances from Huawei, China. A denial of service vulnerability exists in multiple Huawei firewall devices. Due to insufficient checksums on certain fields of DHCP messages, an unauthenticated attacker can send special DHCP reques...

dhcp: unclosed TCP connections to OMAPI or failover ports can cause DoS

A resource-consumption flaw was discovered in the DHCP server. dhcpd did not restrict the number of open connections to OMAPI and failover ports. A remote attacker able to establish TCP connections to one of these ports could use this flaw to cause dhcpd to exit unexpectedly, stop responding...