CVE-2021-26676

Published: 9 February 2021

gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs in gdhcp.

Priority

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package	Release	Status
connman Launchpad, Ubuntu, Debian	jammy	Not vulnerable (1.36-2.3build1)
	kinetic	Not vulnerable (1.41-2)
	lunar	Not vulnerable (1.41-2)
	upstream	Released (1.36-2.1)
	trusty	Does not exist
	groovy	Ignored (end of life)
	hirsute	Ignored (end of life)
	xenial	Released (1.21-1.2+deb8u1ubuntu0.1~esm1) Available with Ubuntu Pro
	bionic	Released (1.35-6ubuntu0.1~esm1) Available with Ubuntu Pro
	focal	Released (1.36-2ubuntu0.1)
	impish	Ignored (end of life)

Severity score breakdown

Parameter	Value
Base score	6.5
Attack vector	Adjacent
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

Join the discussion

Canonical is offering Expanded Security Maintenance

Canonical is offering Ubuntu Expanded Security Maintenance (ESM) for security fixes and essential packages.

Find out more about ESM ›