SB2019050503 - Out-of-bounds read in roy.marples.name dhcpcd
Published: May 5, 2019 Updated: August 8, 2020
Security Bulletin ID
SB2019050503
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2019-11766)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to buffer over-read in the D6_OPTION_PD_EXCLUDE feature. A remote attacker can perform a denial of service attack.
Remediation
Install update from vendor's website.
References
- http://www.securityfocus.com/bid/108172
- https://bugs.debian.org/928440
- https://roy.marples.name/archives/dhcpcd-discuss/0002428.html
- https://roy.marples.name/cgit/dhcpcd.git/commit/?h=dhcpcd-7&id=896ef4a54b0578985e5e1360b141593f1d62837b
- https://roy.marples.name/cgit/dhcpcd.git/commit/?h=dhcpcd-7&id=c1ebeaafeb324bac997984abdcee2d4e8b61a8a8