Vulnerability Details : CVE-2020-29367
blosc2.c in Blosc C-Blosc2 through 2.0.0.beta.5 has a heap-based buffer overflow when there is a lack of space to write compressed data.
Vulnerability category: Overflow
Products affected by CVE-2020-29367
- cpe:2.3:a:blosc:c-blosc2:2.0.0:alpha2:*:*:*:*:*:*
- cpe:2.3:a:blosc:c-blosc2:2.0.0:alpha3:*:*:*:*:*:*
- cpe:2.3:a:blosc:c-blosc2:2.0.0:alpha4:*:*:*:*:*:*
- cpe:2.3:a:blosc:c-blosc2:2.0.0:alpha5:*:*:*:*:*:*
- cpe:2.3:a:blosc:c-blosc2:2.0.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:blosc:c-blosc2:2.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:blosc:c-blosc2:2.0.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:blosc:c-blosc2:2.0.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:blosc:c-blosc2:2.0.0:beta5:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-29367
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-29367
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
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-2020-29367
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-29367
-
https://github.com/Blosc/c-blosc2/commit/c4c6470e88210afc95262c8b9fcc27e30ca043ee
Fixed asan heap buffer overflow when not enough space to write compre… · Blosc/c-blosc2@c4c6470 · GitHubPatch;Third Party Advisory
-
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26442
26442 - c-blosc2:compress_fuzzer: Heap-buffer-overflow in blosc_c - oss-fuzzMailing List;Third Party Advisory
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