// For flags

CVE-2017-16671

 

Severity Score

8.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A Buffer Overflow issue was discovered in Asterisk Open Source 13 before 13.18.1, 14 before 14.7.1, and 15 before 15.1.1 and Certified Asterisk 13.13 before 13.13-cert7. No size checking is done when setting the user field for Party B on a CDR. Thus, it is possible for someone to use an arbitrarily large string and write past the end of the user field storage buffer. NOTE: this is different from CVE-2017-7617, which was only about the Party A buffer.

Una vulnerabilidad de desbordamiento de búfer se descubrió en Asterisk Open Source en versiones 13 anteriores a la 13.18.1, versiones 14 anteriores a la 14.7.1 y versiones 15 antes de la 15.1.1 y en Certified Asterisk 13.13 en versiones anteriores a la 13.13-cert7. No se realizan chequeos de tamaño cuando se configura el campo user para Party B en un CDR. Por ello, es posible que alguien utilice una cadena arbitraria con una longitud larga y escriba más allá del final del búfer de almacenamiento del campo user. NOTA: esta vulnerabilidad es diferente de CVE-2017-7617, que solo trataba del búfer Party A.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2017-11-08 CVE Reserved
  • 2017-11-09 CVE Published
  • 2023-03-07 EPSS Updated
  • 2024-08-05 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Digium
Search vendor "Digium"
Asterisk
Search vendor "Digium" for product "Asterisk"
>= 13.0.0 < 13.18.1
Search vendor "Digium" for product "Asterisk" and version " >= 13.0.0 < 13.18.1"
-
Affected
Digium
Search vendor "Digium"
Asterisk
Search vendor "Digium" for product "Asterisk"
>= 14.0.0 < 14.7.1
Search vendor "Digium" for product "Asterisk" and version " >= 14.0.0 < 14.7.1"
-
Affected
Digium
Search vendor "Digium"
Asterisk
Search vendor "Digium" for product "Asterisk"
>= 15.0.0 < 15.1.1
Search vendor "Digium" for product "Asterisk" and version " >= 15.0.0 < 15.1.1"
-
Affected
Digium
Search vendor "Digium"
Certified Asterisk
Search vendor "Digium" for product "Certified Asterisk"
13.13.0
Search vendor "Digium" for product "Certified Asterisk" and version "13.13.0"
-
Affected
Digium
Search vendor "Digium"
Certified Asterisk
Search vendor "Digium" for product "Certified Asterisk"
13.13.0
Search vendor "Digium" for product "Certified Asterisk" and version "13.13.0"
cert1
Affected
Digium
Search vendor "Digium"
Certified Asterisk
Search vendor "Digium" for product "Certified Asterisk"
13.13.0
Search vendor "Digium" for product "Certified Asterisk" and version "13.13.0"
cert1_rc1
Affected
Digium
Search vendor "Digium"
Certified Asterisk
Search vendor "Digium" for product "Certified Asterisk"
13.13.0
Search vendor "Digium" for product "Certified Asterisk" and version "13.13.0"
cert1_rc2
Affected
Digium
Search vendor "Digium"
Certified Asterisk
Search vendor "Digium" for product "Certified Asterisk"
13.13.0
Search vendor "Digium" for product "Certified Asterisk" and version "13.13.0"
cert1_rc3
Affected
Digium
Search vendor "Digium"
Certified Asterisk
Search vendor "Digium" for product "Certified Asterisk"
13.13.0
Search vendor "Digium" for product "Certified Asterisk" and version "13.13.0"
cert1_rc4
Affected
Digium
Search vendor "Digium"
Certified Asterisk
Search vendor "Digium" for product "Certified Asterisk"
13.13.0
Search vendor "Digium" for product "Certified Asterisk" and version "13.13.0"
cert2
Affected
Digium
Search vendor "Digium"
Certified Asterisk
Search vendor "Digium" for product "Certified Asterisk"
13.13.0
Search vendor "Digium" for product "Certified Asterisk" and version "13.13.0"
cert3
Affected
Digium
Search vendor "Digium"
Certified Asterisk
Search vendor "Digium" for product "Certified Asterisk"
13.13.0
Search vendor "Digium" for product "Certified Asterisk" and version "13.13.0"
cert4
Affected
Digium
Search vendor "Digium"
Certified Asterisk
Search vendor "Digium" for product "Certified Asterisk"
13.13.0
Search vendor "Digium" for product "Certified Asterisk" and version "13.13.0"
cert5
Affected
Digium
Search vendor "Digium"
Certified Asterisk
Search vendor "Digium" for product "Certified Asterisk"
13.13.0
Search vendor "Digium" for product "Certified Asterisk" and version "13.13.0"
cert6
Affected