PT-2019-4118 · Roy Marples+1 · Dhcpcd+1

Timo Sigurdsson · Published 2019-05-05 · Updated 2023-02-27 · CVE-2019-11766

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions dhcpcd versions 6.11.7 and earlier, 7.x before 7.2.2

Description The issue is related to a buffer over-read in the D6 OPTION PD EXCLUDE feature of the dhcp6.c component in the dhcpcd DHCP server. This can be exploited by a remote attacker to cause a denial of service.

Recommendations For versions 6.11.7 and earlier, update to version 6.11.7 or later. For versions 7.x before 7.2.2, update to version 7.2.2 or later.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALT-PU-2019-1823

BDU:2019-04696

CVE-2019-11766

Affected Products

Alt Linux

Dhcpcd

References · 21

• https://osv.dev/vulnerability/UBUNTU-CVE-2019-11766 · Vendor Advisory
• https://errata.altlinux.org/ALT-PU-2019-1823 · Vendor Advisory
• https://bugs.debian.org/928440 · Patch
• https://roy.marples.name/cgit/dhcpcd.git/commit/?h=dhcpcd-7&id=c1ebeaafeb324bac997984abdcee2d4e8b61a8a8 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-11766 · Security Note
• https://bdu.fstec.ru/vul/2019-04696 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-11766 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-11766 · Vendor Advisory
• https://roy.marples.name/cgit/dhcpcd.git/commit/?h=dhcpcd-7&id=896ef4a54b0578985e5e1360b141593f1d62837b · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-11766 · Vendor Advisory
• https://roy.marples.name/archives/dhcpcd-discuss/0002428.html · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11766 · Security Note
• https://ubuntu.com/security/CVE-2019-11766 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2019-11766 · Vendor Advisory
• https://t.me/cvenotify/45076 · Telegram Post