// For flags

CVE-2020-22217

c-ares: Heap buffer over read in ares_parse_soa_reply

Severity Score

5.9
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

Buffer overflow vulnerability in c-ares before 1_16_1 thru 1_17_0 via function ares_parse_soa_reply in ares_parse_soa_reply.c.

Vulnerabilidad de desbordamiento de búfer en c-ares antes de 1_16_1 a 1_17_0 mediante la función ares_parse_soa_reply en ares_parse_soa_reply.c.

A heap buffer over-read flaw was found in c-ares via the ares_parse_soa_reply function in ares_parse_soa_reply.c.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
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
  • 2024-09-23 EPSS Updated
  • 2024-10-03 CVE Updated
  • 2024-10-03 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-125: Out-of-bounds Read
  • CWE-126: Buffer Over-read
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
C-ares
Search vendor "C-ares"
 C-ares
Search vendor "C-ares" for product "C-ares"
 1.16.1
Search vendor "C-ares" for product "C-ares" and version "1.16.1"
-
Affected
C-ares
Search vendor "C-ares"
 C-ares
Search vendor "C-ares" for product "C-ares"
 1.17.0
Search vendor "C-ares" for product "C-ares" and version "1.17.0"
-
Affected
Debian
Search vendor "Debian"
 Debian Linux
Search vendor "Debian" for product "Debian Linux"
 10.0
Search vendor "Debian" for product "Debian Linux" and version "10.0"
-
Affected