// For flags

CVE-2018-17828

zziplib: directory traversal in unzzip_cat in the bins/unzzipcat-mem.c

Severity Score

5.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Directory traversal vulnerability in ZZIPlib 0.13.69 allows attackers to overwrite arbitrary files via a .. (dot dot) in a zip file, because of the function unzzip_cat in the bins/unzzipcat-mem.c file.

Vulnerabilidad de salto de directorio en ZZIPlib 0.13.69 permite que un atacante sobrescriba archivos arbitrarios mediante un .. (punto punto) en un archivo zip. Esto se debe a la funciĆ³n unzzip_cat en el archivo bins/unzzipcat-mem.c.

It was discovered that zziplib is vulnerable to a directory traversal flaw in most of its unzip binaries, including unzip-mem, unzzipcat-mem, unzzipcat-big, unzzipcat-mix, and unzzipcat-zip. An attacker may use this flaw to write files outside the intended target directory, overwriting existing files, or creating new ones.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2018-09-30 CVE Reserved
  • 2018-10-01 CVE Published
  • 2024-08-05 CVE Updated
  • 2024-08-05 First Exploit
  • 2024-08-10 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
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