Vulnerability Details : CVE-2017-8891
Dropbox Lepton 1.2.1 allows DoS (SEGV and application crash) via a malformed lepton file because the code does not ensure setup of a correct number of threads.
Vulnerability category: Denial of service
Products affected by CVE-2017-8891
- cpe:2.3:a:dropbox:lepton:1.2.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-8891
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 46 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-8891
| 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:3.0/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-2017-8891
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-8891
-
https://github.com/dropbox/lepton/commit/82167c144a322cc956da45407f6dce8d4303d346
fix #87 : always check that threads_required set up the appropriate n… · dropbox/lepton@82167c1 · GitHubIssue Tracking;Patch;Third Party Advisory
-
http://openwall.com/lists/oss-security/2017/05/10/1
oss-security - CVE Request: Denial of Service in Dropbox leptonMailing List;Patch;Third Party Advisory
-
https://github.com/dropbox/lepton/issues/87
SEGFAULT: Malformed lepton file generated by AFL + SymExec · Issue #87 · dropbox/lepton · GitHubIssue Tracking;Patch;Third Party Advisory
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