CVE-2021-33833
Published: 9 June 2021
ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via NAME, RDATA, or RDLENGTH (for A or AAAA).
Priority
Status
| Package | Release | Status |
|---|---|---|
|
connman Launchpad, Ubuntu, Debian |
bionic |
Released
(1.35-6ubuntu0.1~esm1)
Available with Ubuntu Pro |
| focal |
Released
(1.36-2ubuntu0.1)
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Not vulnerable
(1.36-2.3build1)
|
|
| kinetic |
Not vulnerable
(1.41-2)
|
|
| lunar |
Not vulnerable
(1.41-2)
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code not present)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |