CVE-2018-20820 — MEDIUM (5.5)

Vulnerability Description

read_ujpg in jpgcoder.cc in Dropbox Lepton 1.2.1 allows attackers to cause a denial-of-service (application runtime crash because of an integer overflow) via a crafted file.

CVSS Score

5.5

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Dropbox	Lepton	1.2.1

Related Weaknesses (CWE)

CWE-190

References

https://github.com/dropbox/lepton/commit/6a5ceefac1162783fffd9506a3de39c85c72576PatchThird Party Advisory
https://github.com/dropbox/lepton/issues/111ExploitPatchThird Party Advisory
https://github.com/dropbox/lepton/commit/6a5ceefac1162783fffd9506a3de39c85c72576PatchThird Party Advisory
https://github.com/dropbox/lepton/issues/111ExploitPatchThird Party Advisory

FAQ

What is CVE-2018-20820?

CVE-2018-20820 is a vulnerability with a CVSS score of 5.5 (MEDIUM). read_ujpg in jpgcoder.cc in Dropbox Lepton 1.2.1 allows attackers to cause a denial-of-service (application runtime crash because of an integer overflow) via a crafted file.

How severe is CVE-2018-20820?

CVE-2018-20820 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-20820?

Check the references section above for vendor advisories and patch information. Affected products include: Dropbox Lepton.