Vulnerability Details : CVE-2017-8842
The bufRead::get() function in libzpaq/libzpaq.h in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted archive.
Vulnerability category: Denial of service
Products affected by CVE-2017-8842
- cpe:2.3:a:long_range_zip_project:long_range_zip:0.631:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-8842
0.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 61 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-8842
| 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-2017-8842
-
The product divides a value by zero.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-8842
-
https://github.com/ckolivas/lrzip/issues/66
divide-by-zero in bufRead::get (libzpaq.h) · Issue #66 · ckolivas/lrzip · GitHubIssue Tracking;Patch;Third Party Advisory
-
https://security.gentoo.org/glsa/202005-01
Long Range ZIP: Multiple vulnerabilities (GLSA 202005-01) — Gentoo securityThird Party Advisory
-
https://blogs.gentoo.org/ago/2017/05/07/lrzip-divide-by-zero-in-bufreadget-libzpaq-h/
lrzip: divide-by-zero in bufRead::get (libzpaq.h) | agostino's blogThird Party Advisory;VDB Entry
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