Vulnerability Details : CVE-2017-7448
The allocate_channel_framebuffer function in uncompressed_components.hh in Dropbox Lepton 1.2.1 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a malformed JPEG image.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2017-7448
Probability of exploitation activity in the next 30 days: 0.43%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 71 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-7448
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
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-2017-7448
-
The product divides a value by zero.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-7448
-
https://github.com/dropbox/lepton/issues/86
SIGFPE has been triggered when process malformed JPG file · Issue #86 · dropbox/lepton · GitHubExploit;Third Party Advisory
-
https://github.com/dropbox/lepton/commit/7789d99ac156adfd7bbf66e7824bd3e948a74cf7
check divide by zero, fixing #86 · dropbox/lepton@7789d99 · GitHubPatch;Third Party Advisory
-
http://www.securityfocus.com/bid/97490
Dropbox Lepton CVE-2017-7448 Denial of Service Vulnerability
Products affected by CVE-2017-7448
- cpe:2.3:a:dropbox:lepton:1.2.1:*:*:*:*:*:*:*