Vulnerability Details : CVE-2021-27345
Potential exploit
A null pointer dereference was discovered in ucompthread in stream.c in Irzip 0.631 which allows attackers to cause a denial of service (DOS) via a crafted compressed file.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2021-27345
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:long_range_zip_project:long_range_zip:0.631:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-27345
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 22 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-27345
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2021-27345
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-27345
-
https://lists.debian.org/debian-lts-announce/2022/04/msg00012.html
[SECURITY] [DLA 2981-1] lrzip security updateMailing List;Third Party Advisory
-
https://github.com/ckolivas/lrzip/issues/164
Segmentation fault caused by null pointer dereference during multithread processing in ucompthread, stream.c:1523 · Issue #164 · ckolivas/lrzip · GitHubExploit;Issue Tracking;Patch;Third Party Advisory
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