// For flags

CVE-2018-20098

exiv2: Heap-based buffer over-read in Exiv2::Jp2Image::encodeJp2Header resulting in a denial of service

Severity Score

6.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

There is a heap-based buffer over-read in Exiv2::Jp2Image::encodeJp2Header of jp2image.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.

Existe una sobrelectura de búfer basada en memoria dinámica (heap) en Exiv2::Jp2Image::encodeJp2Header de jp2image.cpp en Exiv2 0.27-RC3. Se podría realizar un ataque de denegación de servicio remoto con una entrada especialmente manipulada.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2018-12-12 CVE Reserved
  • 2018-12-12 CVE Published
  • 2024-05-04 EPSS Updated
  • 2024-08-05 CVE Updated
  • 2024-08-05 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-125: Out-of-bounds Read
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Exiv2
Search vendor "Exiv2"
 Exiv2
Search vendor "Exiv2" for product "Exiv2"
 0.27
Search vendor "Exiv2" for product "Exiv2" and version "0.27"
rc3
Affected