Vulnerability Details : CVE-2020-29394
A buffer overflow in the dlt_filter_load function in dlt_common.c from dlt-daemon through 2.18.5 (GENIVI Diagnostic Log and Trace) allows arbitrary code execution because fscanf is misused (no limit on the number of characters to be read in the format argument).
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2020-29394
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:genivi:diagnostic_log_and_trace:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-29394
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 55 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-29394
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2020-29394
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-29394
-
https://github.com/GENIVI/dlt-daemon/pull/288
fscanf() uses dynamic formatting to prevent buffer overflow by Kevin-Luong · Pull Request #288 · GENIVI/dlt-daemon · GitHubPatch;Third Party Advisory
-
https://github.com/GENIVI/dlt-daemon/issues/274
stack buffer overflow in dlt_filter_load · Issue #274 · GENIVI/dlt-daemon · GitHubExploit;Patch;Third Party Advisory
-
https://github.com/GENIVI/dlt-daemon/pull/275
dlt_common: Fix buffer overflow in dlt_filter_load by gy741 · Pull Request #275 · GENIVI/dlt-daemon · GitHubPatch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2022/12/msg00016.html
[SECURITY] [DLA 3231-1] dlt-daemon security updateMailing List;Third Party Advisory
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