// For flags

CVE-2017-1000232

Ubuntu Security Notice USN-3491-1

Severity Score

9.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A double-free vulnerability in str2host.c in ldns 1.7.0 have unspecified impact and attack vectors.

Una vulnerabilidad de doble liberación (double free) en str2host.c en ldns 1.7.0 provoca un impacto y origina vectores de ataque no especificados.

Leon Weber discovered that the ldns-keygen tool incorrectly set permissions on private keys. A local attacker could possibly use this issue to obtain generated private keys. This issue only applied to Ubuntu 14.04 LTS. Stephan Zeisberg discovered that ldns incorrectly handled memory when processing data. A remote attacker could use this issue to cause ldns to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2017-11-16 CVE Reserved
  • 2017-11-17 CVE Published
  • 2024-08-05 CVE Updated
  • 2024-08-05 First Exploit
  • 2025-06-03 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-415: Double Free
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Nlnetlabs
Search vendor "Nlnetlabs"
Ldns
Search vendor "Nlnetlabs" for product "Ldns"
1.7.0
Search vendor "Nlnetlabs" for product "Ldns" and version "1.7.0"
-
Affected