MEDIUM
CVE-2022-39836
CWE-125Published: October 25, 2022· Updated: Jun 17, 2026
5.5
CVSS v3.1
Official Description
An issue was discovered in Connected Vehicle Systems Alliance (COVESA) dlt-daemon through 2.18.8. Due to a faulty DLT file parser, a crafted DLT file that crashes the process can be created. This is due to missing validation checks. There is a heap-based buffer over-read of one byte.
Technical Analysis
CVE-2022-39836 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Vendors & Products
genivi1 product(s)
diagnostic log and trace
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
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Rapid7 / Metasploit
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PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (6)
→
https://sec-consult.com/vulnerability-lab/advisory/multiple-memory-corruption-vulnerabilities-in-covesa-dlt-daemon/Exploit · Patch · Third Party Advisory
→
https://seclists.org/fulldisclosure/2022/Sep/24Exploit · Mailing List · Patch · Third Party Advisory
→
https://sec-consult.com/vulnerability-lab/advisory/multiple-memory-corruption-vulnerabilities-in-covesa-dlt-daemon/Exploit · Patch · Third Party Advisory
→
https://seclists.org/fulldisclosure/2022/Sep/24Exploit · Mailing List · Patch · Third Party Advisory
Quick Facts
CVE IDCVE-2022-39836
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-125
CISA KEVNo
Affected1 vendor(s)
PublishedOct 25, 2022
Related CVEs (CWE-125)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-39836 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.