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.

Severity (CVSS 3.1)5.7Medium
Exploit odds (30 days)0.7%top 44.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

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

EcosystemPackageFixed inAdvisory
Debian:12dlt-daemon2.18.8-1DEBIAN-CVE-2021-29507
Debian:13dlt-daemon2.18.8-1DEBIAN-CVE-2021-29507
Debian:14dlt-daemon2.18.8-1DEBIAN-CVE-2021-29507
Ubuntu:22.04:LTSdlt-daemonno fix listedUBUNTU-CVE-2021-29507
Ubuntu:24.04:LTSdlt-daemonno fix listedUBUNTU-CVE-2021-29507
Ubuntu:25.10dlt-daemonno fix listedUBUNTU-CVE-2021-29507
Ubuntu:26.04:LTSdlt-daemonno fix listedUBUNTU-CVE-2021-29507
Ubuntu:26.10dlt-daemonno fix listedUBUNTU-CVE-2021-29507

Affected products (as reported)

VendorProductVersions
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