CVE-2022-29799
Published: 27 April 2022
A vulnerability was found in networkd-dispatcher. This flaw exists because no functions are sanitized by the OperationalState or the AdministrativeState of networkd-dispatcher. This attack leads to a directory traversal to escape from the “/etc/networkd-dispatcher” base directory.
Priority
Status
Package | Release | Status |
---|---|---|
networkd-dispatcher Launchpad, Ubuntu, Debian |
bionic |
Released
(1.7-0ubuntu3.5)
|
focal |
Released
(2.1-2~ubuntu20.04.3)
|
|
impish |
Released
(2.1-2ubuntu0.21.10.2)
|
|
jammy |
Released
(2.1-2ubuntu0.22.04.2)
|
|
upstream |
Pending
(2.2.2)
|
|
Patches: upstream: https://gitlab.com/craftyguy/networkd-dispatcher/-/commit/074ff68f08d64a963a13e3cfc4fb3e3fb9006dfe upstream: https://gitlab.com/craftyguy/networkd-dispatcher/-/commit/652b32f17ad37c49ef098f352424f97f9b8aa031 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-29799
- https://www.helpnetsecurity.com/2022/04/27/cve-2022-29799-cve-2022-29800/
- https://www.microsoft.com/security/blog/2022/04/26/microsoft-finds-new-elevation-of-privilege-linux-vulnerability-nimbuspwn/
- https://ubuntu.com/security/notices/USN-5395-1
- https://ubuntu.com/security/notices/USN-5395-2
- NVD
- Launchpad
- Debian