Vulnerability in dhcpcd5 - Read Overflow
Summary
DLA-1793-1: dhcpcd5 - security update. Affects dhcpcd5 versions < 6.0.5-2+deb8u1. Fixed in 6.0.5-2+deb8u1. How to fix ↓
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Background
dhcpcd5 is a network management protocol client used for managing network interfaces and configuring DHCP. It is commonly used in Debian 8 Jessie. This package allows devices to obtain IP addresses and other network configuration information automatically. However, a vulnerability has been discovered in dhcpcd5 that could potentially be exploited by an attacker.
Vulnerability Detail
The vulnerability, identified as CVE-2019-11579, is a read overflow issue in the dhcp.c file of dhcpcd5. Specifically, there is a 1-byte read overflow with DHO_OPTSOVERLOADED. This vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by sending a specially crafted DHCP response. It is important to note that this vulnerability affects versions of dhcpcd5 prior to 7.2.1.
How To Fix
Minimum fixed version
6.0.5-2+deb8u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade dhcpcd5Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is essential to apply the security update as soon as possible to mitigate the risk of exploitation.
Conclusion
In conclusion, the dhcpcd5 package in Debian 8 Jessie is vulnerable to a read overflow issue. This vulnerability could allow an attacker to execute arbitrary code or cause a denial of service. To mitigate this risk, it is crucial to upgrade the dhcpcd5 package to version 6.0.5-2+deb8u1 or later. If you require further assistance or support in addressing this vulnerability, please contact DevNack.com.
See every vulnerability recorded for dhcpcd5 →
FAQ
dhcpcd5 is a network management protocol client used for managing network interfaces and configuring DHCP. It allows devices to obtain IP addresses and other network configuration information automatically.
This vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by sending a specially crafted DHCP response.
Versions of dhcpcd5 prior to 7.2.1 are affected by this vulnerability.
To fix this vulnerability, it is recommended to upgrade the dhcpcd5 package to version 6.0.5-2+deb8u1 or later.
No, there is no known workaround for this vulnerability. It is important to apply the security update as soon as possible.
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