// For flags

CVE-2020-18770

zziplib: invalid memory access at zzip_disk_entry_to_file_header in mmapped.c

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.

An invalid memory access flaw was found in the mmapped.c file's zzip_disk_entry_to_file_header function in Zziplib. This issue could allow an attacker to entice a victim into opening a specially crafted file, leading to a denial of service.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
Poc
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2020-08-13 CVE Reserved
  • 2023-08-22 CVE Published
  • 2023-08-26 EPSS Updated
  • 2024-10-04 CVE Updated
  • 2024-10-04 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-400: Uncontrolled Resource Consumption
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Zziplib Project
Search vendor "Zziplib Project"
Zziplib
Search vendor "Zziplib Project" for product "Zziplib"
0.13.69
Search vendor "Zziplib Project" for product "Zziplib" and version "0.13.69"
-
Affected