CVE-2022-39837
CVE-2022-39837 is a medium-severity vulnerability in Genivi Diagnostic Log And Trace with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (34th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-476
- Affected product: Genivi Diagnostic Log And Trace
- Published:
- Last modified:
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 NULL pointer dereference,
Frequently asked questions
- What is CVE-2022-39837?
- 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 NULL pointer dereference,
- How severe is CVE-2022-39837?
- CVE-2022-39837 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2022-39837 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-39837?
- CVE-2022-39837 affects Genivi Diagnostic Log And Trace. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-39837?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2022-39837 published?
- CVE-2022-39837 was published on 2022-10-25 and last updated on 2026-06-17.
References
- https://lists.debian.org/debian-lts-announce/2024/06/msg00021.html
- https://sec-consult.com/vulnerability-lab/advisory/multiple-memory-corruption-vulnerabilities-in-covesa-dlt-daemon/
- https://seclists.org/fulldisclosure/2022/Sep/24
Affected products (1)
- cpe:2.3:a:genivi:diagnostic_log_and_trace:*:*:*:*:*:*:*:*
More vulnerabilities in Genivi Diagnostic Log And Trace
- CVE-2020-36244 — Critical (CVSS 9.8): The daemon in GENIVI diagnostic log and trace (DLT), is vulnerable to a heap-based buffer overflow that could allow an…
- CVE-2020-29394 — High (CVSS 7.8): A buffer overflow in the dlt_filter_load function in dlt_common.c from dlt-daemon through 2.18.5 (GENIVI Diagnostic Log…
- CVE-2022-31291 — High (CVSS 7.5): An issue in dlt_config_file_parser.c of dlt-daemon v2.18.8 allows attackers to cause a double free via crafted TCP…
- CVE-2021-29507 — Medium (CVSS 5.7): GENIVI Diagnostic Log and Trace (DLT) provides a log and trace interface. In versions of GENIVI DLT between 2.10.0 and…
- CVE-2022-39836 — Medium (CVSS 5.5): An issue was discovered in Connected Vehicle Systems Alliance (COVESA) dlt-daemon through 2.18.8. Due to a faulty DLT…
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