Vulnerability · Published May 28, 2021 · Assigned by GitHub_M
CVE-2021-29507dlt-daemon could crash if there is special character in dlt.conf
Medium 5.7
In plain English
A medium-severity improper input validation in dlt-daemon from GENIVI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
GENIVI Diagnostic Log and Trace (DLT) provides a log and trace interface. In versions of GENIVI DLT between 2.10.0 and 2.18.6, a configuration file containing the special characters could cause a vulnerable component to crash. All the applications which are using the configuration file could fail to generate their dlt logs in system. As of time of publication, no patch exists. As a workaround, one may check the integrity of information in configuration file manually.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | dlt-daemon | 2.18.8-1 | DEBIAN-CVE-2021-29507 |
| Debian:13 | dlt-daemon | 2.18.8-1 | DEBIAN-CVE-2021-29507 |
| Debian:14 | dlt-daemon | 2.18.8-1 | DEBIAN-CVE-2021-29507 |
| Ubuntu:22.04:LTS | dlt-daemon | no fix listed | UBUNTU-CVE-2021-29507 |
| Ubuntu:24.04:LTS | dlt-daemon | no fix listed | UBUNTU-CVE-2021-29507 |
| Ubuntu:25.10 | dlt-daemon | no fix listed | UBUNTU-CVE-2021-29507 |
| Ubuntu:26.04:LTS | dlt-daemon | no fix listed | UBUNTU-CVE-2021-29507 |
| Ubuntu:26.10 | dlt-daemon | no fix listed | UBUNTU-CVE-2021-29507 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| GENIVI | dlt-daemon | > 2.10.0, <= 2.18.6 |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
References
- https://github.com/GENIVI/dlt-daemon/security/advisories/GHSA-7cqp-2hqj-mh3f x_refsource_CONFIRM