CVE-2022-29799 json
A vulnerability was found in networkd-dispatcher.
published 2022-09-21 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-34120
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 11.8%
- EPSS 11.8% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- networkd-dispatcher Debian 14, Debian 13, Debian 12 2.2.3-1
debian advisories DEBIAN-CVE-2022-29799
- networkd-dispatcher Ubuntu 18.04 LTS 1.7-0ubuntu3.5
- networkd-dispatcher Ubuntu 20.04 LTS 2.1-2~ubuntu20.04.3
- networkd-dispatcher Ubuntu 22.04 LTS 2.1-2ubuntu0.22.04.2
ubuntu advisories UBUNTU-CVE-2022-29799
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2022-29799 updated cvss 5.5
networkd-dispatcher: Directory traversal
-
Red Hat Enterprise Linux 6 networkd-dispatcher Red Hat Enterprise Linux 7 networkd-dispatcher Red Hat Enterprise Linux 8 networkd-dispatcher Red Hat Enterprise Linux 9 networkd-dispatchernot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 17 mo ago
Exploit prediction
11.76% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- microsoft.com https://www.microsoft.com/security/blog/2022/04/26/microsoft-finds-new-elevation-of-privilege-linux-vulnerability-nimbuspwn/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected products
- n/a networkd-dispatcher
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
microsoft.com
/security/blog/2022/04/26/microsoft-finds-new-elevation-of-privilege-linux-vulnerability-nimbuspwn/
exploit, patch, technical-description, vendor-advisory
Sources
- CVE List CVE-2022-29799
- NVD CVE-2022-29799
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